One angle of an isosceles triangle is three times the
2 answers:
Answer: largest angle: 108°, smallest angle: 36°
Answer:
36°, 36°, 108°
Step-by-step explanation:
let the 2 congruent base angles of the isosceles triangle be x
Then the vertex angle is 3x
Sum the angles and equate to 180 ( angle sum of triangle )
x + x + 3x = 180
5x = 180 ( divide both sides by 5 )
x = 36 , then
3x = 3 × 36 = 108
The angles are 36°, 36° and 108°
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