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Q.
The circum-radius of a right triangle is 10 cm and one
of the two perpendicular sides is 12 cm. Find the area
of the triangle in sq. cm.
Mensuration
Solution:
(i) Circum-radius is half of the hypotenuse. Use Pythagoras's theorem.
(ii) Circum-radius is $10 cm$, so hypotenuse is $2(10 cm )$.
(iii) Use Pythagoras's theorem and get the length of the other perpendicular side and find the area.