Se da: un trapez isoscel ale carei diagonale sunt perpendiculare si linia mijlocie este egala cu 24 cm. Calculati aria trapezului.A=((b+B)*h)/2=24*h=24*EFMN=latura mijlocie=(b+B)/2=24∆FOC dr. is. =>OF≡FC≡DC/2∆AOE dr. is. =>OE≡AE≡AB/2EF=h=OF+OE=DC/2+AB/2==(AB+DC)/2=l.m.=24A=24*24=576 cm^2
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copy paste de la fesus..ClaR!!!!..x-( ..no pa !..zbye `:*
cop[iat
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foai mama... ce copye buna
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copiat dar blogu ii bun
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