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stealth61 [152]
2 years ago
9

Type your answer into the box. X 30° Calculate the size of angle x. angle x =​

Mathematics
2 answers:
Paladinen [302]2 years ago
7 0

Answer:

<h2>x = 60°</h2>

Step-by-step explanation:

We know:

All triangles have internal angles that add up to 180°.

And

All right triangles have acute angles that up to 90°.

Therefore

x + 30° + 90° = 180°

x + 120° = 180°     |<em>subtract 120° from both sides</em>

x + 120° - 120° = 180° - 120°

<h3>x = 60°</h3><h3 /><h3><em>or</em></h3><h3><em /></h3>

x + 30° = 90°     |<em>subtract 30° from both sides</em>

x + 30° - 30° = 90° - 30°

<h3>x = 60°</h3>
andrezito [222]2 years ago
4 0

Answer:

60°

Step-by-step explanation:

90°+30°=120°

180°_120°=60°

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