Question

A rhombus and a rectangle have equal perimeters. The rhombus has side 15 cm. The length of the rectangle is 6 cm more than the width. What is the are if the rectangle?

Answer 1

perimetre of rhombus=60 therfore perimetre of rectangle =60
Rectangle:
p=2l +2(l+6)
60=2l+2l +12
48=4l
l=12
therfore (12 +6)=18
width =18
A= 12 x 18
=216
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