2 years ago

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

Mathematics

1 answer:

Mama L [17]2 years ago

4 0

Answer:

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

Step-by-step explanation:

so 100°+4y+25°+3y+20=180°

145°+7y=180°

7y=180°-145°

7y=35°

y=5°

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