What is the measure of the missing angle?
280
1200
1 answer:
Answer:
<h2>32°</h2>
Step-by-step explanation:
<h3>to understand the solving steps</h3><h3>you need to know about:</h3>
- triangle contains 180°
- acute triangles
- PEMDAS
- equation
<h3>given</h3>
angles:28°,120°
<h3>to find:</h3>
missing angle
<h3>let's solve:</h3>
let missing angle be x
as we know
<u>a </u><u>triangle</u><u> </u><u>contains</u><u> </u><u>1</u><u>8</u><u>0</u><u>°</u><u> </u> (always)
so,
according to the question
x+28°+120°=180°
x+148°=180°
x=180°-148°
x=32°
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