Match each value with its formula for ΔABC. (choices are in 2nd pic)
1 answer:
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The answer is: The surface area of the sphere.
The explanations for this exercise is shown below:
By definition, the surface area of a sphere is four times the area of a circle.
You have that the area of a circle is:
Where is the radius of the circle.
Therefore, to calculate the surface area of a sphere with radius , you only need to multiply the equation shown above by four, as following:
Answer:
The measure of angle EYH is
Step-by-step explanation:
step 1
Find the measure of arc EH
we know that
----> by complete circle
substitute the given values
step 2
Find the measure of angle EYH
we know that
The measurement of the outer angle is the semi-difference of the arcs which comprises
substitute the values