Problem: A square and an equilateral triangle have equal perimeters. The area of the triangle is 93 square inches. Expressed in inches the diagonal of the square is:
Answer Choices:
A. 9/2
B. 25
C. 42
D. 92/2
E. none of these
Solution:
A( triangle )=93=4s23∴s=6
P( triangle )=18=P( square )
∴ side of the square, x=29∴ diagonal of the square =2x2=292