Angle
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Question:
Wich of the following measure show an acute angle?
- [tex] \begin{gathered} \begin{gathered}\begin{gathered}\boxed{\begin{array}{l} \sf{a. \: {57}^{\circ} } \\ \sf{b. \: {85}^{\circ}} \\ \sf{c. \: {135}^{\circ}} \\ \sf{d. \: {215}^{\circ}}\end{array}}\end{gathered} \end{gathered}\end{gathered} [/tex]
Answer:
[tex] \huge \underline{\boxed{\sf \red{a. \: {57}^{\circ} \: \: and \: \: b. \: {85}^{\circ}}}}[/tex]
57° best measure show an acute angle but 85° consider as an acute angle because if a measurement of an angle below 90° which is the right angle will show as an acute angle.
The letter c. 135° and letter d. 215° shows an obtuse angle because their measurements are more than 90°.
~Short Meanings~
- Acute angles below 90° measurements.
- Right angles exactly measures 90°.
- Obtuse angles more than 90° measurements.
Examples of acute, right, and obtuse angles;
- Acute angle – ∠
- Right angle – L
- Obtuse angle – ⟨
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