ABCD is a parallelogram P and R are two points on AB such that the area of parallelogram ABCD is 8 times the are of $Δ D P R$ If PR = 5cm then CD is equal to

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Solution

The correct option is C $20$ cm
Area of parallelogram $= 8 \times a r △ D P R$
$A B \times h = 8 \times \frac{1}{2} \times h \times P R$
$C D \times h = 8 \times \frac{1}{2} \times h \times 5$
$C D = 20 ㎝$

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ABCD is a parallelogram P and R are two points on AB such that the area of parallelogram ABCD is 8 times the are of ΔDPR If PR = 5cm then CD is equal to

The correct option is C 20 cmArea of parallelogram=8×ar△DPRAB×h=8×12×h×PRCD×h=8×12×h×5CD=20㎝

ABCD is a parallelogram P and R are two points on AB such that the area of parallelogram ABCD is 8 times the are of $Δ D P R$ If PR = 5cm then CD is equal to

The correct option is C $20$ cm
Area of parallelogram $= 8 \times a r △ D P R$
$A B \times h = 8 \times \frac{1}{2} \times h \times P R$
$C D \times h = 8 \times \frac{1}{2} \times h \times 5$
$C D = 20 ㎝$