Acute / Obtuse Triangles

Practice Questions

Intermediate Geometry › Acute / Obtuse Triangles

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1

In ΔABC: a = 10, c = 15, and B = 50°.

Find b (to the nearest tenth).

2

The largest angle in an obtuse scalene triangle is degrees. The second largest angle in the triangle is the measurement of the largest angle. What is the measurement of the smallest angle in the obtuse scalene triangle?

3

In the figure, a triangle that shares its base with the width of the rectangle has a height that is half the length of the rectangle. Find the area of the shaded region.

1

4

The largest angle in an obtuse scalene triangle is degrees. The second largest angle in the triangle is the measurement of the largest angle. What is the measurement of the smallest angle in the obtuse scalene triangle?

5

In ΔABC: a = 10, c = 15, and B = 50°.

Find b (to the nearest tenth).

6

For the triangle below, the perimeter is . Find the value of .

1

7

An acute isosceles triangle has an area of square units and a base with length . Find the perimeter of this triangle.

8

An acute isosceles triangle has an area of square units and a base with length . Find the perimeter of this triangle.

9

For the triangle below, the perimeter is . Find the value of .

1

10

In the figure, a triangle that shares its base with the width of the rectangle has a height that is half the length of the rectangle. Find the area of the shaded region.

1

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