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1 year ago

2. Calculate the missing angle: 75 50° a)

Mathematics

1 answer:

solniwko [45]1 year ago

6 0

Answer:

The missing angle is 55°.

Step-by-step explanation:

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The three interior angles of a triangle add up to 180°.

This means that:

$x\textdegree + 75\textdegree+50\textdegree=180\textdegree\\\rule{150}{0.5}\\x - \text{unknown angle}$

==========================================

Using the equation above, we would solve for x.

$x\textdegree + 75\textdegree+50\textdegree=180\textdegree\\\rule{150}{0.5}\\x\textdegree + 75\textdegree+50\textdegree=180\textdegree\\\\x\textdegree + 125\textdegree=180\textdegree\\\\x\textdegree + 125\textdegree-125\textdegree=180\textdegree - 125\textdegree\\\\\boxed{x = 55\textdegree}$

The missing angle should be 55°.

==========================================

Hope this helps.

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2. Calculate the missing angle: 75 50° a)​

2. Calculate the missing angle: 75 50° a)