Does the mapping diagram represent a function? why or why not?
1 answer:
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Given:
side length = 6 ft
To find:
The area of the figure
Solution:
Area of the square = side × side
= 6 × 6
Area of the square = 36 ft²
Diameter of the semi-circle = 6 ft
Radius of the semi-circle = 6 ÷ 2 = 3 ft
Area of the semi-circle =
Area of the semi-circle = 14.13 ft²
Area of the figure = Area of the square - Area of the semi-circle
= 36 ft² - 14.13 ft²
= 21.87 ft²
Area of the figure = 21.9 ft²
The area of the figure is 21.9 ft².
Using Pythagoras in the first question
c=
which is approximately 16.5
for the second question
we also use Pythagoras
c=
which is approximately 16.5
for the second question
we also use Pythagoras