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3 years ago

Find the angles marked with with letters

Mathematics

2 answers:

Sever21 [200]3 years ago

7 0

Answer:

<A=67⁰

<B=22⁰

<C=42⁰

<h2>Mark me BRAINLIEST </h2>

Helga [31]3 years ago

6 0

Answer:

a = 67° , b = 26° , c = 69°

Step-by-step explanation:

a and 67° are corresponding angles and are congruent , so

a = 67°

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The triangle on the left has 3 equal sides thus is equilateral with 3 congruent angles of 60°

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles , that is

b + 34° = 60° ( subtract 34° from both sides )

b = 26°

---------------------------------------------------

The vertex of the triangle and 42° are vertically opposite and are congruent

vertex = 42°

The triangle has 2 equal legs and is isosceles with 2 base angles congruent.

c = $\frac{180-42}{2}$ = $\frac{138}{2}$ = 69°

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Find the angles marked with with letters​

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