Ramsay cuts out a piece from a circular cardboard for a school project. The radius of the cardboard is 10 inches and the measure
of the central angle is 54 degrees, as shown.
What is the length of the curved boundary of the piece of the cardboard Ramsay cuts out?
Leave in terms of π.
What is the length of the curved boundary of the piece of the cardboard Ramsay cuts out?
Leave in terms of π.
1 answer:
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Answer:
Step-by-step explanation:
Given that:
is a supplement of
.
m = 78°
To find:
m = ?
Solution:
First of all, let us learn about the concept of an angle being a supplement of the other angle.
is known as supplement of
, if sum of the two angles is equal to 180°.
.
For example, angle made on one side by a line intersecting the other line are supplement of each other.
Here, we are given that is a supplement of
.
In other words:
Putting value of :
So, the answer is: