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russboys3
02.06.2021 •
Mathematics
What is the area of this composite figure
48.56cm2
49.12cm2
74.24cm2
36.56cm2
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Ответ:
D. 36.56 cm²
Step-by-step explanation:
The composite figure is composed of a rectangle and two semicircles.
The two semicircles makes 1 full circle.
Thus:
Area of the composite figure = area of rectangle + area of circle
= L*W + πr²
L = 6 cm
W = 4 cm
r = ½(4) = 2 cm
Area = 6*4 + π*2²
Area = 24 + 12.56
Area = 36.56 cm²
Ответ:
=-(x-2)^2+11
So the axis of symmetry is line x=2