Asked by Marina
The sum of the measures of the angles of a triangle is 180°
Find the three angles of a triangle if one angle is 20° greater than the smallest angle and the third angle is twice the smallest angle.
Find the three angles of a triangle if one angle is 20° greater than the smallest angle and the third angle is twice the smallest angle.
Answers
Answered by
huy
three angles is a, b, c
a+b+c=180
one angle is 20 => a=20
greater than the smallest angle and the third angle is twice the smallest angle. => a is the smallest angles
the third angle is twice the smallest angle => c=2a = 40
=> b= 120
a+b+c=180
one angle is 20 => a=20
greater than the smallest angle and the third angle is twice the smallest angle. => a is the smallest angles
the third angle is twice the smallest angle => c=2a = 40
=> b= 120
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