Answer:
B
Step-by-step explanation:
Given that ∠A ≅ ∠B, Evelia conjectured that ∠A and ∠B are acute angles.
Consider all options:
A. If m∠A=114° and m∠B=170°, then angles A and B are not congruent, so this is not a counterexample.
B. If m∠A=126° and m∠B=126°, then angles A and B are congruent and both these angles are obtuse (their measures are greater than 90°). This means that two obtuse angles can be congruent, so this is a counterexample. True option.
C. If m∠A=30° and m∠B=40°, then angles A and B are not congruent, so this is not a counterexample.
D. If m∠A=45° and m∠B=45°, then angles A and B are congruent, so this examples show two congruent acute angles. But if we have to prove some statement, we have to prove this statement for an arbitrary angles, not for one pair of angles. Moreover, this is an example illustrating given statement, but is not a counterexample.
Answer:
40
Step-by-step explanation:
The first step is to calculate x
because it's a straight line all angles must add up to 180
we can write the following equation
(3x+94)+(x+30)+(2x-4)=180
6x+120=180
6x=60
x=10
Now to solve for COD just plug in 10 for x+30
10+30=40
Well thank you!
Hope you have a WONDERFULL day!
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Answer:
Step-by-step explanation:
3