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07-03-2018
Mathematics

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Let A = 40. If B is complement of A, and C is a supplmenet of B, what is B+C?

A. 60
B. 150
C. 180
D. 210

Respuesta :

13-03-2018

Option C: 180
Explanation:
Complementary angles add upto 90 degrees and supplementary angles add to 180 degrees
Given A=40
B = Complement of A =90-40 =50
C = Supplement of B = 180-50 =130
Therefore B+C = 50 +130 =180.

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