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What is the Value of Y? (Confused, GEOMETRY)

A. 3√3
B.6√3
C.9√3
D.12√3

What is the Value of Y? (Confused, GEOMETRY) A. 3√3 B.6√3 C.9√3 D.12√3-example-1

2 Answers

4 votes
we can use pythagorean theorem to solve this ... since we have a and c, we can use c^2 - a^2 = b^2

12^2 - 6^2 = b^2
144 - 36 = b^2
180 = b^2 (now we get the square root of each side)
√108 = √b² (108 can be written as 36 times 3)
√36 √3 = √b²
6√3 = b

so, your answer is 6√3...B

User Radim
by
8.2k points
2 votes
y^2 = 12^2 - 6^2
y^2 = 144 - 36
y^2 = 108
y = 6√3

answer is B.6√3
User Manish Basantani
by
8.0k points

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