Find the surface area of the composite figure. 5 cm
6 cm
4 cm
20 cm
12 cm
6 cm
5 cm
4 cm
SA = [?] cm2​

A=2(lb+bh+hl)

= 2(5×6×5×20+20×6)+2(6×4+12×4+12×6) 2×12×4

=2(30+100+120)+2(24+48+72)-96

=500+288-96

=788-96

=692 cm²

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Step-by-step explanation:

start with a line segment pq that we will copy. mark a point r that will be one endpoint of the new line segment. set the compasses' point on the point p of the line segment to be copied. adjust the compasses' width to the point q. the compasses' width is now equal to the length of the line segment pq.

step-by-step explanation:

b, 20 yards

step-by-step explanation: