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Area of PQRS = 15 x 20
= 300cm2
Triangle QRS = 300 ➗2 = 150cm2(1/2 of PQRS)
1/2 x base x height = 150cm2
1/2 x 25 x height = 150cm2
25 x height = 300
Height = 300 ➗2
= 12cm
Ans: 12cm
= 300cm2
Triangle QRS = 300 ➗2 = 150cm2(1/2 of PQRS)
1/2 x base x height = 150cm2
1/2 x 25 x height = 150cm2
25 x height = 300
Height = 300 ➗2
= 12cm
Ans: 12cm