Question

90°
(a)
30°
(b) 45°
( 60°
(d)
9. One of the base angle of an isosceles triangle is 70°. The vertical angle is
(a)
60°
(b) 50°
(c)
(d)
30°
40°​

Answer 1

Answer:

40⁰ is the correct answer

Step-by-step explanation:

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