A rectangle is formed by joining two squares with area 49 cm2. What is the perimeter of the rectangle?

Question

asked Dec 22, 2018 38.4k views

2 Answers

Vivian Dbritto · Answer 1 · 2018-12-24T13:43:34+0000

→ Chapter : Plane ←
≡ Solution:
⇔ First, we should know the size of the square side [s]:
⇒
s^(2)=49

⇒

⇒

⇔ Find the perimeter of the rectangle [p]:
⇒
p=(6).(s)

⇒
$p=(6).(7)=\boxed{42}cm$
⇆ Note: Look at the picture for more clearly