Question

Find the value of y.

5
8
4
2

50 Pts!

Answer 1

• B. 8.

Explanation:

All answers verified:

• A. 5. Incorrect. 5 is not long enough for y.
• B. 8. Correct. Just the right size for y.
• C. 4. Incorrect. 4 is already in there, so this is incorrect.
• D. 2. Incorrect. Not even close to fit y.

Your answer is B.

Answer 2

Answer and Explanation:

Since this is a 30-60-90 triangle, you can use the ratio of side lengths specific to this type of triangle:

x = 4√(2)

y = 2(4) = 8

because where 4 = T,

x = T√2 and y = 2T

so again:

`x = 4√(2)\\y = 8`