3 years ago

18). Find mZBCA. B (5x + 12) [. (9x + 1) А (10x – 37)°

Mathematics

1 answer:

makkiz [27]3 years ago

8 0

Answer:

m∡BCA = 57°

Step-by-step explanation:

find 'x' by adding all expressions and setting them equal to 360°

9x+1 + tx+12 + 10x-37 = 360

24x = 384

x = 16

Substitute 16 into 10x-37

160 - 37 = 123

m∡BCA is supplemental with 123°, therefore it measures 57°

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