150k views
17 votes
A square and a rectangle have equal area.The rectangle is 64 cm by 81 cm. What is the perimeter of the square?

User Dmorganb
by
6.0k points

1 Answer

4 votes

Answer:

2592 cm

Explanation:

square area = x²

rectangle area = bh

so

x² = bh

since the areas are equal

b and h are in the problem as 64 and 81

x² = 64x81

x² = 5184

divide by 2

x = 2592 cm

User Morbusg
by
7.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.