2 answers:
Answer:
Since it is an isoceles triangle...both the base angles will be equal to 40 degrees
by angle sum property
Third angle + 40+40=180
The third angle will be equal to 100 degrees
Step-by-step explanation:
hope it helps..
Answer:
100
Step-by-step explanation:
We will denote the missing angle as x.
As the base angles of an isosceles triangles are equal, so it would look like this:
x + 40 + 40 = 180
x + 80 = 180
x = 180 - 80
x = 100
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