An umbrella is made by stitching 12 triangular pieces of cloth of two different colours as shown in figure. Each piece measures 40 cm, 40 cm and 18cm. How much cloth of each colour is required for the umbrealla?

An umbrella is made by stitching 12 triangular pieces of cloth of two

1.	An umbrella is made by stitching 12 triangular pieces of cloth of two different colours as shown in figure. Each piece measures 40 cm, 40 cm and 18cm. How much cloth of each colour is required for the umbrealla?
A.	\[378\sqrt{3}\,c{{m}^{2}}\]
B.	\[756\sqrt{3}\,c{{m}^{2}}\]
C.	\[252\sqrt{3}\,c{{m}^{2}}\]
D.	\[567\sqrt{3}\,c{{m}^{2}}\]
Answer» B. \[756\sqrt{3}\,c{{m}^{2}}\]

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An umbrella is made by stitching 12 triangular pieces of cloth of two different colours as shown in figure. Each piece measures 40 cm, 40 cm and 18cm. How much cloth of each colour is required for the umbrealla?

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