3 years ago

2 angles of a triangle are the same size. the 3rd is 3 times as large as the 1st

Mathematics

1 answer:

myrzilka [38]3 years ago

4 0

Answer:

36°, 36° and 108°

Step-by-step explanation:

let the equal angles be x then the third angle = 3x

The sum of the 3 angles in a triangle = 180°, thus

x + x + 3x = 180, that is

5x = 180 ( divide both sides by 5 )

x = 36

and 3x = 3 × 36 = 108

The 3 angles are 36°, 36° and 108°

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2 angles of a triangle are the same size. the 3rd is 3 times as large as the 1st​

2 angles of a triangle are the same size. the 3rd is 3 times as large as the 1st