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polet [3.4K]
3 years ago
7

Please help with this question

Mathematics
1 answer:
svetlana [45]3 years ago
4 0

Answer:

Segment JK is a chord in circle H

Line LM is a secant to circle H

Step-by-step explanation:

* Lets revise some definition in the circle

- The radius of the circle is a line segment drawn from the center of  

 the circle to a point on the circumference of the circle

- The chord of a circle is a line segment whose endpoints lie on the

 circumference of the circle

- The secant is a line intersect the circle in two points

- The tangent is a line touch or intersect the circle in one point

* Now lets solve the problem

- In circle H

∵ JK is a segment in circle H

∵ Point J lies on the circumference of circle H

∵ Point K lies on the circumference of circle H

∴ Segment JK is a chord in circle H

∵ LM is a line

∵ LM intersect circle H in two points L and M

∴ Line LM is a secant to circle H

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marshall27 [118]

Answer:

C. 64°

Step-by-step explanation:

{ \tt{ \cos( \theta) =  \frac{adjacent}{hypotenuse}  }} \\  \\ { \tt{ \cos( \theta) =  \frac{7}{16}  }} \\  \\  { \tt{ \theta =  { \cos }^{ - 1} ( \frac{7}{16} )}} \\  \\  { \tt{ \theta = 64 \degree}}

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allochka39001 [22]

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Step-by-step explanation:

7 0
3 years ago
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8 0
4 years ago
SOMEONE EASE ANSWER NUMBER 4?
nlexa [21]

On analyzing the question we can say that the angle ∠JKM of the triangle ΔJKL would be 42 as line MK bisects ∠JKL into ∠JKM & ∠MKL.

From the question it follows that line MK bisects angle ∠JKL into ∠JKM & ∠MKL where M is the point in the interior of ∠JKL.

Therefore, as we have given  m∠JKL = 84 & m∠MKL  = 42

and we have to find m∠JKM , we will simply write the equation as follow

m∠JKL = m∠JKM + m∠MKL

Inserting values we get,

84 = m∠JKM + 42

m∠JKM = 42

Hence, angle m∠JKM  of the triangle ΔJKL is  42.

Learn more about questions related to triangles and their angles here

brainly.com/question/13273388

#SPJ9

5 0
2 years ago
Please help what does B and C equal
lapo4ka [179]

Answer:

m∠b=20°

m∠c=160°

Step-by-step explanation:

∠c and the 160° angle are vertical, so they are congruent.

m∠c=160°

∠c and ∠b are supplementary, so their sum is 180°.

b+160=180

b=20

So, m∠b=20°.

8 0
3 years ago
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