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tensa zangetsu [6.8K]
2 years ago
5

o 0 If a triangle has angle measurements of 60 and 70°, what is the measure of the third angle? What kind of triangle is this? A

cute, Right, or Obtuse? Explain how you solve this problem.​
Mathematics
1 answer:
denis-greek [22]2 years ago
6 0

Answer:

→ 50°

→ Acute triangle

Step-by-step explanation:

the measure of the third angle = 180 - (60 + 70) = 180 - 130 = 50°

<u><em>definitions</em></u>=======================================

<u><em>Acute angle</em></u> : it’s an angle that measures less than 90°.

<u><em>Acute triangle</em></u>: it’s a triangle with three acute angles.

………………………………………………………………………………………………

The measures of the angles in our triangle are respectively 60° , 70° , 50°

Thus ,it’s an acute triangle .

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2 years ago
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Answer:

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Step-by-step explanation:

Q1. A regular polygon is a polygon with all sides and angles equal.

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Q3. 148°+112°+(2x+10)°+(2x)°+90°= Sum of angles in a pentagon.

<u><em>Note</em></u>: The square at the fifth angle shows that its a right angle which is 90°. Also all the angles are equal to the sum of angles in a pentagon 'cause the polygon has 5 sides ( a pentagon).

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Therefore the sum of interior angles is (5-2)180°=540°

solving the equation you have;

360°+4x=540°

4x=540°-360°

4x=180°

x=180°/4

x=45°

therefore x=45°

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3 years ago
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