28.6k views
2 votes
A rectangle has perimeter 58 cm and length 21 cm. What is it's width?

User Andyhammar
by
8.4k points

1 Answer

3 votes
the formula for perimeter for rectangle is (width + length) x 2
so in her let y be the width,
(y + 21) x2 = 58
y + 21 = 29
y= 8
therefore the width is 8cm
User Ashley Alvarado
by
8.2k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.