Question

find the area of triangular region two sides of which are 18 and 10 and the perimeter is 42 metre​

Answer 1

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Answer 2

ANSWER:-------------

l, breadth = b and height = h.

l b h. + +

(a) Volume of cube = a3.

(b) Lateral Surface area = 4a2.

(a) Volume of cylinder = πr2h.

SURFACE AREAS AND VOLUMES.

(b) Surface area of sphere = 4πr2.

(b) Curved surface area of

hemisphere = 2πr2.

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