Triangle ABC has been transformed into triangle A'B'C'. The algebraic formula for this transformation is
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:
