Marco has two sticks of lengths of 9cm and 12cm. He needs a third stick to form a right triangle. What could be the length of the third stick? Find also the perimeter and area.
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formula will be (h square = p square + b square)
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Step-by-step explanation:
According to Pythagoras theorem,
Legs of triangle be =9cm ,12cm
Then other side = root 9 square +12 square
= root 225
= 15 cm
Perimeter =sum of all side
=9cm+12cm+15cm
=36 cm
Area= 1/2(product of legs)
=1/2*9*12
=54cm square
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