18.1k views
2 votes
20 Find the area of the rectangle given that

the perimeter is 50 cm.
3m + 2
m - 5
F 32
G 7
H 46
J 9​

20 Find the area of the rectangle given that the perimeter is 50 cm. 3m + 2 m - 5 F-example-1
User Priyal
by
5.3k points

1 Answer

4 votes

Answer: H - 46

Explanation:

Primeter = 2(l + w)

50 = 2{(3m+2) + (m-5)}

25 = 3m+2 +m -5

25 = 4m -3

m = 28/4 = 7

l = 3m+2 = 23 cm

w = m-5 = 2 cm

Area = l x b

= 23 x 2 = 46 sq. cm.

User Conners
by
5.0k points