Question

I need help with these questions

Answer 1

The sum of all three angles of a triangle is always 180 degrees.

Explanation:

4)

45 + 35.8 = a

180 - a = ?

5)

100 + 40.7 = a

180 - a = ?

6)

90 + 16.5 = a

180 - a = ?

ANSWER:

4) x = 99.2 (a is 80.8)

5) x = 39.3 (a is 140.7)

6) x = 73.5 (a is 106.5)