Adjacent Angles Practice
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4 of 54 of 5 Items
Question
If m∠BOA is 180° and m∠BOC is 110° , what is the measure of ∠COA ?(1 point)
The measure of ∠COA can be found by subtracting the measure of ∠BOC from the measure of ∠BOA.
∠COA = ∠BOA - ∠BOC
∠COA = 180° - 110°
∠COA = 70°
So, the measure of ∠COA is 70°.