the ratio of two adjacent sides of a parallelogram is 2:3.its perimeter is 50cm .find its area if altitude corresponding to larger side is 10cm.
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Answered by
25
Let the adjacent sides be 2a and 3a
Perimeter = 50 cm
=> 2 (Sum of adjacent sides) = 50
=> 5a = 25
=> a = 5
First side = 10 cm
Second side = 15 cm
Area = Base * Height
= 15 * 10
= 150 cm^2
Perimeter = 50 cm
=> 2 (Sum of adjacent sides) = 50
=> 5a = 25
=> a = 5
First side = 10 cm
Second side = 15 cm
Area = Base * Height
= 15 * 10
= 150 cm^2
Answered by
1
perimeter = 2×(2x+3x)=50
2×5x=50
x=50÷5-2
=8cm
length = 3x=3×8=24cm
area = 24×10=240 cm²
2×5x=50
x=50÷5-2
=8cm
length = 3x=3×8=24cm
area = 24×10=240 cm²
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