Question

b) Find the value of 'a' and 'b'.
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Answer 1

Step-by-step explanation:

b = 180-125= 55

a + 2b = 180

a + 110 = 180

a = 70

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Answer 2

Answer:

ans is 90 degree

Step-by-step explanation:

as it is an equilateral triangle and has 3 angles 45 degree

so, a + b

or, 45 + 45 = 90 degree