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Serhud [2]
3 years ago
14

My sister needs help so here I am "helping her" so yeah

Mathematics
2 answers:
Butoxors [25]3 years ago
7 0
1. C
2. D
3. C
Inequalities
pantera1 [17]3 years ago
6 0
1. c
2.d
3.c
hope this helps

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Chord AB subtends two arcs with measures in the ratio of 1:5. Line l is tangent to a circle at point A. Find the measure of the
elena-14-01-66 [18.8K]

Answer:

30°

Step-by-step explanation:

If chord AB subtends two arcs with measures in the ratio of 1:5, then the measure of minor arc is x and the measure of major arc is 5x. Thus,

x+5x=360^{\circ}\\ \\6x=360^{\circ}\\ \\x=60^{\circ}.

Thus, the measure of the angle AOB  is 60°. Consider isosceles triangle AOB (because AO=BO=radius of the circle). The angles adjacent to the base AB are congruent, thus

\angle BAO=\dfrac{1}{2}(180^{\circ}-60^{\circ})=60^{\circ}.

Since line CD is tangent to the circle,

\angle CAO=90^{\circ}.

Hence,

\angle CAB=\angle CAO-\angle BAO=90^{\circ}-60^{\circ}=30^{\circ}.

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4 years ago
207 more than the product of b and 311 is equal to n. Write it as a equation please!
tiny-mole [99]
207+b×311=n
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5 0
3 years ago
Read 2 more answers
How many triangles can you make with straws the lengths 2,1,2 inches
Yuliya22 [10]

Answer:

You can't make any triangle

Step-by-step explanation:

we know that

The T<u>riangle Inequality Theorem</u> states that the sum of any 2 sides of a triangle must be greater than the measure of the third side.

so

In this problem

2+1>2

3>2 -----> is not true

therefore

You can't make any triangle.

5 0
3 years ago
Question: Solve it using the proportion method.​
Hatshy [7]
60% of what number is 348?

The answer is 580.
5 0
3 years ago
Plz help. Will give brainliest to best answer
mariarad [96]

Answer:

9

Step-by-step explanation:

11cos35

6 0
3 years ago
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