The hypotenuse of a right-angled triangle is14\sqrt2 cm long. What is the area of the circumcircle of the said triangle? [Use π = 22/7]

RRB Group D 17-Dec-2018 Shift 1 Soled Paper

Question : 70 of 100

Marks: +1, -0

The hypotenuse of a right-angled triangle is14

√2

cm long. What is the area of the circumcircle of the said triangle? [Use π = 22/7]

Solution:

Hyptonese of the Δ is diameter of the circle.
So, Radius=

7√2

Area

=πr^2={22}/7×7×7×2=308 \cm^2

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