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17 January, 21:00

The diagram shows a right-angled triangle and a parallelogram.

16 cm height of triangle

30 cm base of parallelogram

9cm base of triangle

The area of the parallelogram is 5 times the area of the triangle.

The perpendicular height of the parallelogram is hcm.

(b) Find the value of h.

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Answers (1)
  1. 18 January, 00:53
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    Step-by-step explanation:

    At = area of the triangle

    Ap = area of the parallelogram

    At=b*h/2=9*16/2=72

    Ap=5*At=5*72=360

    Ap=b*h=12⇒30*h=360⇒h=12
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