dadavis55 dadavis55

23-05-2022
Mathematics

contestada

What is m∠1? 1 39° 85° m∠1 = °

Respuesta :

mhanifa mhanifa

25-05-2022

Answer:

56°

Step-by-step explanation:

It is assumed the three angles are interior angles of a triangle.

Given

∠1, 39°, 85°

We know the sum of interior angles of a triangle is 180°.

Use this property to find the missing angle measure:

m∠1 + 39° + 85° = 180°
m∠1 + 124° = 180°
m∠1 = 180° - 124°
m∠1 = 56°

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