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A right triangle has legs 9 cm and 12 cm, and its hypotenuse is 15 cm.
Find the area using the legs, then find the height drawn to the hypotenuse.

Class 7Area of TrianglesPerimeter and Area
  • Aarea 54 sq cm, height 7.2 cm
  • Barea 54 sq cm, height 9 cm
  • Carea 108 sq cm, height 7.2 cm
  • Darea 54 sq cm, height 6 cm

Step-by-Step Solution

Area = sq cm. Taking the hypotenuse 15 cm as base: , so cm.
Answer: A) area 54 sq cm, height 7.2 cm

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