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4.

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


A. 8.9 in.

B. 6.3 in.

C. 12.6 in.

D. 10.8 in.

4. Find the value of x. If necessary, round to the nearest tenth A. 8.9 in. B. 6.3 in-example-1

1 Answer

5 votes

Answer:

A. 8.9 in.

Explanation:

a) 8.9

Triangle is half of a square, so a square has double the area of the triangle.

40 x 2 = 80

Area is the square root of 80.

Square root of 80 = about 8.9

x = 8.9

Answer: a) 8.9 in.

Step-by-step explanation:

From the given picture it can be seen that the area of the triangle A = 40 sq. in.

The height of triangle = base of the triangle =x

We know that the area of triangle is given by :-

Hence, the value of x = 8.9 in.

4. Find the value of x. If necessary, round to the nearest tenth A. 8.9 in. B. 6.3 in-example-1
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