1.We have a triangle and a trapeziumArea=1/2*16*30+ (16+40)/2*30=1080 ft^22. Rectangle area=l*w3*2=6 in^23. Big rectangle-small rectangle54*(36+27+18)-27*18=3888 mm^24. Area of triangle + semi-circle + quarter circle*6*12+(3.14*12*12)/2+(3.14*12*12)/4=411.12 m^25. Area of square+ trapezium area3*3+ (3+6)/2*18=90 m^26. Rectangular area +semi-circular area6*4+ (3.14*3*3)/2=38.13 yd^27. Area of triangle area of a circleFor equilateral triangle, angles=6036*36*(sin60)/2-3.14*6*6=448.14 cm^28. Square, semi-circle and quarter-circle20*20+ (3.14*20*20)/2+ (3.14*20*20)/4=1342 m ...
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