Answer Posted / sekar.k

QUANTITY CALCULATION FOR TRAPEZOIDAL: 1/2*H(A+B)*L

EXAMPLE:FOOTING TOP WIDTH:2.00M
FOOTING BOTTOM WIDTH:4.00M
FOOTING HEIGHT :6.00M
FOOTING LENGTH :10.00M THEN,
QUANTITY OF TRPEZOIDAL FOOTING :

1/2*H(A+B)*L

1/2*6.00(2.00+4.00)*10.00

1/2*6.00(6.00)*10.00=180.00CUM

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