Question

Find the value of x. If necessary, round to the nearest tenth.

14.6 in.

7.3 in.

12.4 in

10.3 in.

Answer 1

Answer: 10.3

Explanation:

Answer 2

x = 10.3 in

Explanation:

To find the value of a, use the area formula for a triangle. The formula is A = 1/2 *b*h. Here b = x and h= x. The formula becomes A = 1/2 *x². Substitute A = 53 and solve for x by using inverse operations.

A = 1/2x²

53 = 1/2x²

106 = x²

√106 = x

10.3 = x