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The interior angles of a triangie have measures 100° (4y + 25) ° , and (3y + 20) What is the value of y?

User Anchal
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1 Answer

8 votes

Answer:

since the sum of all angles of a triangle is 180°

Explanation:

so 100°+4y+25°+3y+20=180°

145°+7y=180°

7y=180°-145°

7y=35°

y=5°

User Bubunyo Nyavor
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