How to find the area of an equilateral triangle

Practice Questions

ISEE Upper Level Mathematics Achievement › How to find the area of an equilateral triangle

Questions

8

1

The length of one side of an equilateral triangle is 6 inches. Give the area of the triangle.

2

The perimeter of an equilateral triangle is $18\sqrt{3}$ . Give its area.

3

An equilateral triangle is inscribed inside a circle of radius 8. Give its area.

4

The perimeter of an equilateral triangle is . Give its area.

5

The perimeter of an equilateral triangle is . Give its area in terms of .

6

The perimeter of an equilateral triangle is $30\sqrt[4]{3}$ . Give its area.

7

Icecreamcone

Refer to the above figure. The shaded region is a semicircle with area $24 \pi$ . Give the area of $\bigtriangleup ABC$ .

8

Equilateral

In the above diagram, $\Delta ABC$ is equilateral. Give its area.

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