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Question
Measure and classify each angle :
|
Angle |
Measure |
Type |
|
∠AOB |
|
|
|
∠AOC |
|
|
|
∠BOC |
|
|
|
∠DOC |
|
|
|
∠DOA |
|
|
|
∠DOB |
|
|
Solution
|
Angle |
Measure |
Type |
|
∠AOB |
40° |
Acute |
|
∠AOC |
125° |
Obtuse |
|
∠BOC |
90° |
Right |
|
∠DOC |
90° |
Right |
|
∠DOA |
140° |
Obtuse |
|
∠DOB |
180° |
Straight |
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