Question

Two angles of a triangle measure 35 degrees and 65 degrees. What is the measure of the third angle of the triangle?​

Answer 1

Answer:

ans is 80 as 35 + 65 +x=180

100+x=180

x=80

Answer 2

The measure of the third angle of the triangle = 80°

Given :

Two angles of a triangle measure 35° and 65° respectively.

To find :

The measure of the third angle of the triangle

Solution :

Step 1 of 2 :

Form the equation to calculate measure of the third angle of the triangle

Let measure of the third angle of the triangle = x

We know that sum of three angles of a triangle is 180°

So by the given condition is

35° + 65° + x = 180°

Step 2 of 2 :

Calculate measure of the third angle of the triangle

35° + 65° + x = 180°

⇒ 100° + x = 180°

⇒ x = 180° - 100°

⇒ x = 80°

Hence measure of the third angle of the triangle is 80°

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