The base angles theorem- if two sides of a triangle are congruent, then the angles opposite of them are congruent. Hope this helps :)
Answer:
the picture is super blurry can u change the picture and I'll do my best to answer it :)
Step-by-step explanation:
Answer:
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Answer:
75
Step-by-step explanation:
The sum of internal angles in a triangle is equal to 180
58 + 47 + x = 180
105 + x = 180 subtract 105 from both sides
x = 75
20 can go into 98, 4 times which leaves 18 as a remainder.
