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Find the area, in cm², of a right triangle ABD. CD is a median.
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For any right-angled triangle, the median drawn from the right angle
to the hypotenuse, is equal to half of the hypotenuse.
Therefore, in the given triangle the hypotenuse length is 2*30.5 = 61 cm.
It implies that the other leg length is = = 60.
Thus the legs are 60 cm and 11 cm long; therefore, the area of triangle ABC is
= 30*11 = 330 cm^2.
ANSWER. The area of triangle ABC is 330 cm^2.
