Question

the ratio between the base angle and the
vertical angle of an isoceless triangle is
2:5 find each angle.​

Answer 1

Step-by-step explanation:

Assumption: Let the base angles be 2x° each and the vertical angle be 5x°.

Therefore,

2x + 2x + 5x = 180° ( angle sum property of triangle)

=> 9x = 180

=> x = 20°

Base angles = 40° , 40°

Vertical angle = 100°

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Answer 2

Answer:

let us assume ratio as x

Step-by-step explanation:

2x +2x+5x=180

9x=180

x=180/9

x=20

2x=2×20=40;40

3x=3×20=60

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