A rectangle is 8cm long and 5cm wide. it's perimeter is double when each of its sides is increased by "x"cm. find the length of the rectangle?
Answers
Answered by
9
Answer:
Step-by-step explanation:
l = 8cm
b = 5 cm
Perimeter = 2(l+b)
Perimeter = 2 (13) = 26 cm
52 = 2 (8+x + 5 + x)
52 = 2 ( 13 + 2x)
26 + 4x = 52
4x = 26
x = 26/4 = 13/2 cm
Length of the rectangle = 8 + 13/2 = 29/2 cm
PLS MARK AS BRAINLIEST
Similar questions