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4 votes
Using the formula, solve for c, if a = 9 and b = 40

a² + b2 = c²
A C = 7
B. C = -25
C. c = 41
D. c= /49

1 Answer

2 votes

Answer:

The answer is option C

Explanation:

c² = a² + b²

a = 9 , b = 40

Substitute the values of a and b into the equation and solve

That's


{c}^(2) = {9}^(2) + {40}^(2) \\ {c}^(2) = 81 + 1600 \\ {c}^(2) = 1681 \\ c = √(1681)

We have the final answer as

c = 41

Hope this helps you

User Jurasic
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