Leon is building a square picture frame. The side of the frame is 495 millimeters long.

If a meter of wood costs $7, how much will the wood he needs cost?

b.my answer is b.

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step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

answer4 to the second power is 16

and 4 to the third power is 64,