Question

If two angles of a traingle are 30 degree and 40 degree what is measure of third angle

Answer 1

Answer: I think the third angle is 110 degrees

Step-by-step explanation: Because the total sum of all angles in a triangle is 180 degrees so 30+40 makes 70 then subtract 70 from 180 making the answer 110.

Answer 2

Given : The two angles of a triangle are 30° And 40°

To Find :  Measure of third angle

Solution:

Sum of all angles of a triangle = 180°

Let say measure of  third angles = x

=> 30° + 40° + x = 180°

=> 70°   + x = 180°

=>  x = 180° - 70°

=> x = 110°

Measure of third angle   is 110°

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