3 years ago

What is the measure of

Mathematics

2 answers:

Helen [10]3 years ago

7 0

Answer:

A = 37 degrees ; B = 82 degrees

Step-by-step explanation:

the angle A plus 143 must measure 180 degrees

angle A = 180 - 143 = 37 degrees

the sum of the inner angles of a triangle is 180 degrees

A + B + C = 180

37 + B + 61 = 180

B = 180 - 98 = 82 degrees

irga5000 [103]3 years ago

7 0

82 Degrees is the answer

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