Answer:
Answer is a
Step-by-step explanation:
Given, All sides are equal. So it an equilateral triangle where all the angles are equal.
Sum of the interior angles =180
x+x+x =180
3x=180
x=180/3
x=60
Answer:
You do this by using the Pythagorean Theorem.
It will be a system of equations.
A=1*w
l=2w
Solve by substitution.