Find the unknown side of the rectangle if its perimeter is 63 square cm and its length is 9 cm. Also, find its area.
Answers
Answered by
0
Answer:
Perimeter of rectangle = 32 cm.
Length of adjacent sides = 32/2 = 16 cm.
Length of rectangle = 9 cm.
Width of rectangle = 16-9 = 7 cm.
Area of rectangle = 9* 7 = 63 sq cm.
Answered by
1
Answer:
2×(length+breadth)=63
length+breadth=32.5
9+breadth=32.5
breadth=23.5
area=9×23.5=211.5
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