Find the value of x. If necessary, round your answer to the nearest hundredth. **only numbers*** (Please try to answer thank you )

x=3

Step-by-step explanation:

Use Pythagorean theorem.

a^2 +b^2 = c^2

4^2 +b^2 = 5^2

16 +b^2 =25

-16 from both sides

b^2 = 9

square root b^2 = square root 9

b = 3

b=x

x=3

d

step-by-step explanation:

multiply length by height. multiply the length by the height, and then double the product. work out 10 x 10 results = 100 square inches, then work out 100 x 2 = 200. the answer is 200 square inches.

step-by-step explanation: