littleones12131 littleones12131

14-07-2016
Mathematics

contestada

If mangleBAC = 49°, find marc b c.

image shows an inscribed angle b a c
Select one:
a. 131 degrees
b. 49 degrees
c. 24.5 degrees
d. 98 degrees

Respuesta :

Brahimilaf2 Brahimilaf2

14-07-2016

Hello ,
A + B + C = 180
B + C = 180 - 49
B + C = 131 .

Answer Link

14-07-2016

Hello,
the angle in the center is the double of the inscribed angle BAC
==> arc BC=49*2=98°
Answer D

Answer Link

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