12 Find the area of the triangle whose sides are 42cm, 34cm and 20cm
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Answer:
Step-by-step explanation:
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Answer:
= 96cm²
Step-by-step explanation:
=> Given:
=> the triangle sides are 42 cm,34cm,20cm.
=> to find area of∆
=> Now,
=> using formula: Area of∆ = l×b×h
=> 42 cm+34cm+20cm
=> 96cm²
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