Question

EFGH is a square. If FG= 9, what is FJ? Round your answer to the nearest tenth, if necessary.

~a.) 4.5
~b.) 6.4
~c.) 9
~d.) 12.7

Answer 1

6.4

Explanation:

Answer 2

The answer is b

Step by Step:

Use Pythagorean theorem to find the length of FH

9^2+9^2= c^2( you use 9 for a and b since it’s a square)

81+81= c^2

162=c^2

Take the square root of both sides

C=12.72

Then take 12.72 and divide by two to get 6.36( FJ is half of FH)

Finally round up to 6.4