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`pir^2h = 1/3piR^2H` `(18)^2xx32 = 1/3xxR^2xx24` `R^2 = ((18)^2xx32)/8` `R = 36cm`
Let A, B, and C be the mid-points of sides PQ, and QR PR, respectively, of ΔPQR. If the area of ΔPQR is 64cm², then find the area of ΔABC.
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