The second angle of a triangle is twice the first angle. the third angle is 20 degrees more than the first angle. find the first

Question

Stella [2.4K]

3 years ago

5

The second angle of a triangle is twice the first angle. the third angle is 20 degrees more than the first angle. find the first

angle

Mathematics

2 answers:

Darya [45] · Answer 1 · 2022-03-07T14:38:06+03:00

Darya [45]3 years ago

4 0

The first angle would be 40 degrees.

Gala2k [10] · Answer 2 · 2022-03-07T16:33:19+03:00

Gala2k [10]3 years ago

3 0

All angles in a triangle add up to 180 degrees. (keep that in mind)

(this took me forever, btw)

The first angle would be 32.

32*2= 64

64+20= 84

32+64+84= 180

The key is to find the range in which the number could be derived from.

I hope this helped!