breadth is 15cm and perimeter is 70 cm find its length and area
Answers
Answered by
6
Answer:
2(l+b)=70
2(l+15)=70
2L+30=70
2L=70-30
L=40/2
L=20
area= l×b
20×15
=300
Answered by
1
Answer:
Length = 20cm
Area = 300cm
Step-by-step explanation:
Breadth = 15cm
Perimeter =2(l + b) = 70cm
2(l + 15) = 70
l + 15 = 70/2
l + 15 = 35
l = 35 - 15
l = 20cm
Area = l * b
= 15 * 20
= 300cm
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