The height of an equilateral Triangle is 10cm. Find its area.
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Step-by-step explLet each side be a cm, then
(a2)2+102=a2<=>(a2−a24)=100<=>3a24=100a2=4003Area=3–√4∗a2=(3–√4∗4003)cm2=1003–√cm2
(a2)2+102=a2<=>(a2−a24)=100<=>3a24=100a2=4003Area=34∗a2=(34∗4003)cm2=1003cm2anation:
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