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
Answer from: Quest
this doesn't make sense lol
Answer from: Quest
Answer d; a supplementary angle = 180°, so if that angle = 150°, y would = 30°.
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