1/2*product of length of sides forming a rigbt angled trangle
=1/2*40cm*30cm
=20cm*cm
=600cm^2
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Step-by-step explanation:
For a triangle to be a right angle triangle, the square of the largest side is equal to the sum of squares of other two sides. So, 36+6.25=42.25 which means it is a right angle triangle. It will form the right angle between sides 6 cm and 2.5 cm.
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