the length of a rectangle is thrice its breadth and its perimeter is 168 cm. find the area of the rectangle
Answers
Answered by
1
Answer:
breadth = x
length = 3x
perimeter =2(l+b)
168 = 2(x+3x)
168 = 2(4x)
168 = 8x
21 = x
length = 21(3) = 63
breadth = 21
area = 21×63
= 1323cm2
Answered by
0
Answer:
breadth = x
length = 3x
perimeter =2(l+b)
168 = 2(x+3x)
168 = 2(4x)
168 = 8x
21 = x
length = 21(3) = 63
breadth = 21
area = 21×63
= 1323cm2
Step-by-step explanation:
Similar questions