Triangles - ISEE Middle Level Quantitative Reasoning

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Question

What is the perimeter of a square with area 196 square inches?

Answer

A square with area 196 square inches has sidelength inches, and therefore has perimeter inches

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Question

If a square has sides measuring , what is the perimeter of the square, in simplest form?

Answer

To find the perimeter of a square, you must add together all the sides. In this case, we are adding four times.

Since all of the denominators are the same, there is no need to find a commond denominator, so we add together the numerators. This gives us .

Since both the numerator and denomator are divisible by four, we must simplify this fraction.

The perimeter of the square is .

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Question

The sum of the lengths of three sides of a square is one foot. Give the perimeter of the square in inches.

Answer

A square has four sides of the same length.

One foot is equal to twelve inches; since the sum of the lengths of three of the congruent sides is twelve inches, each side measures

inches.

The perimeter is

inches.

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Question

A square has perimeter one yard. Which is the greater quantity?

(A) The length of one side of the square

(B) 8 inches

Answer

One yard is equal to 36 inches. A square has four sides of equal length, so one side of the square has length

inches.

Since , (A) is greater.

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Question

A square has perimeter five meters. Which is the greater quantity?

(A) 1,250 millimeters

(B) The length of one side of the square

Answer

One meter is equal to 1,000 millimeters, so the square has perimeter

millimeters.

A square has four sides of equal length, so one side of the square has length

millimeters.

The quantities are equal.

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Question

A square has perimeter one meter. Which is the greater quantity?

(A) 250 centimeters

(B) The length of one side of the square

Answer

One meter is equal to 100 centimeters.

A square has four sides of equal length, so we will need to divide by 4 to find the length of one side.

, so (A) is greater

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Question

A square lot has perimeter one mile. Which is the greater quantity?

(A) 1,320 feet

(B) The length of one side of the square

Answer

One mile is equal to 5,280 feet. A square has four sides of equal length, so one side of the square has length

feet.

The quantities are equal.

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Question

Each side of a square is units long. Which is the greater quantity?

(A)

(B) The perimeter of the square

Answer

The perimeter of a square is four times its side length:

Since the perimeter is equal to , (A) and (B) are equal.

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Question

The sum of the lengths of three sides of a square is 9,000 centimeters. Give its perimeter in meters.

Answer

100 centimeters are equal to one meter, so 9,000 centimeters are equal to

meters.

A square has four sides of the same length. Since the sum of the lengths of three of the congruent sides is 9,000 centimeters, or 90 meters, each side measures

meters.

The perimeter is four times this, which is

meters.

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Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

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Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

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Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

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Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

Compare your answer with the correct one above

Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

Compare your answer with the correct one above

Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

Compare your answer with the correct one above

Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

Compare your answer with the correct one above

Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

Compare your answer with the correct one above

Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

Compare your answer with the correct one above

Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

Compare your answer with the correct one above

Question

What is the length of a rectangular room with a perimeter of and a width of

Answer

We have the perimeter and the width, so we can plug those values into our equation and solve for our unknown.

Subtract from both sides

Divide by both sides

Compare your answer with the correct one above

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