Question

5. The perimeter of the given figure is 45cm .the missing value is ___cm

a)6
b)5
c)3
d)8
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Answer 1

Answer:

answer is b

45 will be divided by 5

but 6 won't divisible by 45

another 2 options won't divisible 45

so b is correct answer

Answer 2

(A) is your answer

Perimeter of rectangle=2(l+b)

45=2(6+b)

45/2=6+b

22.5-6=b

16.5=b

b=16.5

Perimeter of rectangle=2(l+b)

=2(6+16.5)

=2*22.5

=45cm

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