In the figure, PQRS is parallelogram with PQ = 8cm and ar(ΔPXQ) = 32cm². Find the alititude of PQRS and hence its area.
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7
altitude =4and area =32cm
rock78:
area =64
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32
area of triangle pxq= 1/2×base×altitude
32 cm ^2= 1/2×8cm×altitude
32cm ^2=4 cm×altitude
altitude= 32 cm ^2/4 cm
altitude=8 cm.
area of parallelogram pqrs=base × corresponding altitude
=8 cm× 8 cm
= 64 cm ^2.
32 cm ^2= 1/2×8cm×altitude
32cm ^2=4 cm×altitude
altitude= 32 cm ^2/4 cm
altitude=8 cm.
area of parallelogram pqrs=base × corresponding altitude
=8 cm× 8 cm
= 64 cm ^2.
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