laza87
13.04.2021 •
Mathematics
The figure shows a quadrant of a circle OAB of radius 21 cm. If OC = 13 cm, Calculate the area of the shaded region.
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Ответ:
260.8
Step-by-step explanation:
15=8+x/17.92
15*17.92=8+x
268.8-8=x
260.8=x