ABCD is a rectangle, with AB=(2x-5)cm and BC=(x+2)cm. The area of the rectangle is 290cm². Calculate the perimeter in, cm, of the rectangle.
Answers
Answered by
2
Answer:
78cm
Step-by-step explanation:
area of the rectangle = 290cm*
l × b = 290cm*
(2 × -5) × b = 290cm*
b = -290cm* ÷ 10
b = - 29cm
perimeter = 2( l + b)
= 2( -10cm + ( - 29cm ) )
= 2( - 39cm )
= -78cm
Similar questions