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Drupady [299]
3 years ago
6

Given: BD is a diameter m 1 = 100° m BC = 30° m AC = 60 110 200

Mathematics
1 answer:
KiRa [710]3 years ago
6 0

Answer:

110°

Step-by-step explanation:

m\angle 1 + m\angle 2 = 180\degree

(linear pair angles)

100\degree + m\angle 2 = 180\degree

m\angle 2 = 180\degree- 100\degree

m\angle 2 = 80\degree

\because m\widehat {AB} =m\angle 2

(Measure of the minor arc is equal to the corresponding central angle)

\therefore m\widehat {AB} = 80\degree

\because m\widehat {AC} =m\widehat {AB} +m\widehat {BC}

(By arc sum property)

\therefore m\widehat {AC} = 80\degree+30\degree

\huge \red {\boxed {\therefore m\widehat {AC} = 110\degree}}

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ValentinkaMS [17]
13.45 will be the answer

since we are finding the hypotenuse, the formula is a^2 + b^2 = c^2

this will then be 10^2 + 9^2 = c^2

181=c^2

c=13.45 :)
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