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Vladimir79 [104]
2 years ago
11

I know the answer to the question. It’s just whenever I answer the reason for my answer it gets no marks. Can someone explain ho

w I’m suppose to answer this question? This is a 3 mark question.

Mathematics
2 answers:
-Dominant- [34]2 years ago
7 0

Answer:

x = 60°

Step-by-step explanation:

Know that the opposite interior angles of parallel lines have equal measurements. In other words, angle x is equal to the bottom-left angle of the triangle. And note that the triangle has 3 sides of the same length, so all 3 angles have the same measurement (i.e. this is a regular triangle). Since the measure of a single interior angle of a regular triangle is 60°, x is also 60°.

Free_Kalibri [48]2 years ago
4 0

Answer:

x = 60°

Step-by-step explanation:

The triangle has 3 congruent sides and is equilateral with 3 congruent angles each of 60°

x and the base angle of the triangle are alternate angles and are congruent, so

x = 60°

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