Answer the following questions from the adjoining figure.
Which one has greater area, rectangle E or square B?
А
12 m
B
b) If square A is removed from the figure, find the perimeter
of the remaining figure.
c) Which of the following plots will give the greatest area
when added?
i) Square A and square D
A
B
ii) Square B and rectangle E
iii) Squares B, C and D.
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Answer:
a)E has greater area
b)56cm
c) square B,and ,D
Step-by-step explanation:
(a) area of square B = (a)2
a= 6
area = 36cm2
area of rectangle E = L × B
L = 12
B= 4
Area = 12×4=48cm2
: area of rectangle E has greater area
(b) if square A is removed then perimeter =
6+6+6+6+6+6+4+4+6+6 = 56cm
(c) area of square A and square D = (a)2 + (a)2
a = 6
(6)2+(6)2
36+36= 72cm2
area of square B + area of rectangle E
area of square B = 36cm2 ( solve above )
area of rectangle E = 48cm2 ( solve above )
area = 36 + 48 = 84cm2
area of square A , C and D
area of square = (a)2
a = 6
(6)2+(6)2+(6)2
area = 36+36+36 = 108cm2
area of square A , C and D = 108 has greater area
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