Get the answers you've been looking for with the help of IDNLearn.com's expert community. Our community provides timely and precise responses to help you understand and solve any issue you face.
Total surface area
=2 ×(area of triangle) +( area of rectangle 1) + (area of rectangle 2) + (area of rectangle 3)
2×(1/2 × 16 ×12) + (10×12)+(16×10)+(20×10)
=672 cm²