So,
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exercise 7.1
1. in quadrilateral acbd,
ac = ad and ab bisects za
(see fig. 7.16). show that a abc=a abd.
what can you say about bc and bd?
fig. 7.16

Here the solution in in picture.

false.

step-by-step explanation:

false.

cavalieri's principle makes that statement about the volumes, not about the areas.

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

u also answered this so i think u would know but i am here to

put in or use mine