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here is a solution :
here is a solution :
Help me on question 3
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The measure of an exterior angle in a polygon with n sides is given by:
So, for n = 20, we have the measure of the exterior angles of the polygon with 20 sides:
Now, to find the sum of all exterior angles, let's multiply the exterior angles by the number of sides of the polygon:
Therefore the sum is equal to 360°, correct option: B.
(The sum of exterior angles of a polygon with n sides is always equal to 360°)
Answer:
Step-by-step explanation:
Given
The surface area of the cube is
Surface area is increased by a scale factor of 3
Enlarged surface area is