soled it....
एक समद्विबाहु त्रिभुज की बराबर भुजाओं में से प्रत्येक 25m और आधार 30m है
तो इसका क्षेत्रफल ज्ञात करे।
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area= 1/2 * base* height
= 1/2 * 30 * √(625-225) ( Pythagoras theorem)
= 15* 20
= 300 m^2
= 1/2 * 30 * √(625-225) ( Pythagoras theorem)
= 15* 20
= 300 m^2
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