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Mariulka [41]
3 years ago
13

What is the measure of arc BEC in circle D?

Mathematics
2 answers:
Fiesta28 [93]3 years ago
6 0

Answer:

\text{Arc BEC}=134^o

Step-by-step explanation:

We have been given an image of a circle and we are asked to find the measure of arc BEC.

We can see that angle ABC is inscribed angle and measure of an inscribed angle is one half the measure of its subtended arc.

\text{Measure of arc AC}=2\times m\angle ABC

\text{Measure of arc AC}=2\times 75^o

\text{Measure of arc AC}=150^o

Since we know that the circumference of a 360 degree, so we can set an equation to find the measure of arc BEC as:

\text{Arc BEC+ Arc AB + Arc AC}=360^o

\text{Arc BEC}+76^o+150^o=360^o

\text{Arc BEC}+226^o=360^o

\text{Arc BEC}+226^o-226^o=360^o-226^o

\text{Arc BEC}=134^o

Therefore, the measure of arc BEC is 134 degrees.

MrRissso [65]3 years ago
3 0
134 degrees..........
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