linacelina6027
22.02.2021 •
Mathematics
Evaluate 10.1p +9.7r when p = 6 and r=7.
10.1(. )+9.70(. )=
+67.9
(Type integers or decimals.)
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Ответ:
10.5 cm^2
Step-by-step explanation:
The square has area s^2 = (7 cm)^2 = 49 cm^2
The area of the portion is the the area of the square minus the area of 1/4 of the circle.
Area of 1/4 of the circle = 154 cm^2 / 4 = 38.5 cm^2
Area of shaded portion = 49 cm^2 - 38.5 cn^2 = 10.5 cm^2