Given the following: Choose a value for m∠A (a whole number)? _ Find x? Show all work. Can be handwritten or typed. (2 points) Find y? Show all work. Can be handwritten or typed. (1 point) m∠A: _ m∠B: _ m∠C_ (2 points)

Answer/Step-by-step explanation:

Given:

m<C =

Let m<A = 70°

Find x:

m<A = m<C (vertical angles)

(substitution)

Add 10 to both sides

Divide both sides by 2

Find y (m<B)

m<B + m<A = 180° (linear pair)

(substitution)

Subtract 70 from each side

m<B = 110°

Angle C = Angle A (vertical angles)

<C = 70°

m<A: 70° m<B: 110° m<C: 70°

step-by-step explanation:

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step-by-step explanation: