length is 13 perimeter is 40 what is the are solution
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Tell me full question otherwise I don't be able to get the answer.
sofia53:
what is the area we get
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perimeter = 2(l+b)
40(cm) = 2(13+b)
40 = 26 + 2b
40-26 = 2b
14 =2b
14÷2 = b
7 = b
Area = l×b
= 13 × 7
=91sq.cm
40(cm) = 2(13+b)
40 = 26 + 2b
40-26 = 2b
14 =2b
14÷2 = b
7 = b
Area = l×b
= 13 × 7
=91sq.cm
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