Scott needs to replace a broken window at his house. The window is shaped like a triangle with
dimensions shown below. If glass costs $18.75 per square foot, how much will the replacement
window cost?

Step-by-step explanation:

The correct question is

Triangle shown is an equilateral triangle with a bottom base of 15 ft

we know that

An equilateral triangle has three equal sides and three equal interior angle (each measure is 60 degrees)

step 1

Find the area of triangle

Applying the law of sines

step 2

Find the cost

Multiply the area of the window by the unit rate of $18.75 per square foot