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18.01.2021 •
Mathematics
Find the area of the Composite Shape:
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Ответ:
151.27 cm^2
Step-by-step explanation:
We can tell that the radius of the semicircle is 5 cm. This is because the diameter is 10 cm (16 cm - 6 cm).
Area of Circle:
A(c) = π/2 = π(5 cm)^2/2 = 25π cm^2/2 = 78.54 cm^2/2 = 39.27 cm^2
Area of Rectangle:
A(r) = 16 cm * 7 cm = 112 cm^2
A = A(c) + A(r) = 39.27 cm^2 + 112 cm^2 = 151.27 cm^2
Ответ:
Option A is the answer.
Step-by-step explanation:
Parent function of the given parabola is y = x² which passes through origin (0,0).
If we convert this function in the form of inequality y > x² then the outlines of the graph will be dotted and shaded part will be inside the parabola upwards.
Now we shift this parabola 2 unit upwards on y axis then inequality becomes y > x² + 2 ( shaded in orange color )
when we shift the parent function 6 units downwards then inequality formed will be y > x² - 6 as shown in other color.
Therefore, system of inequalities are y > x² + 2 and y > x²- 6
Option A is the answer.