SME
Grade 10 Math · Problem type
Bisect an angle
Use this for “Put the steps for bisecting ∠AOB with a compass in order.”
Put in order
Put the steps in order, first step first.
1
?
2
?
3
?
4
?
Assumptions
•
The first arc makes OA = OB; the two equal arcs from A and B make AP = BP.
•
So △AOP ≅ △BOP by SSS, and ray OP splits the angle into two equal halves.
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Construct a perpendicular bisector
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What the angle bisector construction guarantees
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