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Flura [38]
3 years ago
11

A segment that connects two points on the circle and contains the center of the circle

Mathematics
2 answers:
svlad2 [7]3 years ago
3 0
A segment connecting two points is a chord. The special chord containing the center point is the diameter.
Vlad1618 [11]3 years ago
3 0

Answer:

chord or radius

Step-by-step explanation:

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In triangleABC, angle B= 90 degrees, cos(C)=15/17 and AB = 16 what is the measure of Angle A, Angle C and angle AC
Sergeeva-Olga [200]

Answer:

m∠C=28°, m∠A=62°, AC=34.1 units

Step-by-step explanation:

Given In ΔABC, m∠B = 90°, , and AB = 16 units. we have to find m∠A, m∠C, and AC.

As,  cos(C)={15}/{17}

⇒ angle C=cos^{-1}(\frac{15}{17})=28.07^{\circ}\sim28^{\circ}

By angle sum property of triangle,

m∠A+m∠B+m∠C=180°

⇒ m∠A+90°+28°=180°

⇒ m∠A=62°

Now, we have to find the length of AC

sin 28^{\circ}=\frac{AB}{AC}

⇒ AC=\frac{16}{sin 28^{\circ}}=34.1units

The length of AC is 34.1 units

3 0
3 years ago
A rectangular pyramid is sliced so the cross section is perpendicular to its base but does not pass through its vertex.
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Answer:

if it's a rectangular pyramid a rectangle

Step-by-step explanation:

the cross sectional area is the shape at the bottom

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Sin40°-sin20°/cos220°-cos200=√3​
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Step-by-step explanation:

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Can you please help me
Mandarinka [93]

Answer:  Attached.

Step-by-step explanation:

Either solve the equations directly, or graph them and look for the point of intersection.  

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A gaming system is regularly priced at $175. It is on sale this week for $140. By what percentage was the prices of the gaming s
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20%

Step-by-step explanation:

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