What is the area of a triangle having two sides as 18 cm and 10 cm and

1.	What is the area of a triangle having two sides as 18 cm and 10 cm and perimeter is 42 cm?
A.	\[3\sqrt{11}c{{m}^{2}}\]
B.	\[7\sqrt{11}c{{m}^{2}}\]
C.	\[33\sqrt{7}c{{m}^{2}}\]
D.	\[21\sqrt{11}c{{m}^{2}}\]
Answer» E.

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What is the area of a triangle having two sides as 18 cm and 10 cm and perimeter is 42 cm?

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