4 sum only you have to do
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area of triangle
=1/2×base×height
=1/2×20×10
=10×10
=100cm
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krishpxtel:
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Answered by
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Hi mate
b=20 cm
h=10 cm
area =1/2×b×h
=1/2×20×10
=1×10×10
=100 cm sq
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