Erin built a wooden box to hold hay on her farm. The box is 3 m long, 1 m wide and 1 m high Hay costs $14 per cubic meter.
How much will it cost to completely fill the box with hay?

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,

step-by-step explanation: the answer for wha if rt is 10 centimeters long, and wha is st? it’s 6