marcocaintsay marcocaintsay

04-03-2021
Mathematics

contestada

18).

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

18 Find mZBCA B 5x 12 9x 1 А 10x 37 class=

Respuesta :

clarch19 clarch19

04-03-2021

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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