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Simora [160]
3 years ago
13

PR and os are diameters of circle T. What is the

Mathematics
1 answer:
____ [38]3 years ago
8 0

Answer:

100degrees

Step-by-step explanation:

Find the diagram attached

From the diagram

<PQT =<TRS = 40

Since the triangle STR is isosceles, here,

<TSR =<TRS = 40

Also the sum of angle in a triangle is 189, hence:

Arc SR+<TSR +<TRS = 18₩

ArcSR +40+40=180

ArcSR +80=180

ArcSR = 180-80

ArcSR = 100degrees

Hence the measure of SR is 100degrees

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Last question (arc length and area) thanks!!!
Lynna [10]

Answer:

m\angle ABC=60\textdegree

Step-by-step explanation:

m\angle ABC=360-90-90-m\angle AOC\\=180-120\\=60\textdegree

7 0
3 years ago
Clare has 54$ in her bank account. A store credits her account with a 10$ refund. How much does she now have in the bank?​
s2008m [1.1K]
Clare now has $64 in her bank account.

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6 0
3 years ago
A cone has a lateral area of 108 in2 and a base area of 48 in2. What is the surface area of the cone? A. 60 in2 B. 140 in2 C. 12
Andrei [34K]
Based on the given data, the following formula will be useful;
Area of the base, A = pi*r^2
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5 0
3 years ago
Given the graph below, solve the system of equations. <br><br> ​
goldenfox [79]

Answer:

(4, 3 )

Step-by-step explanation:

Given a system of equations graphically, then the solution is at the point of intersection of the 2 lines.

The lines intersect at (4, 3 ) ← solution

3 0
3 years ago
 tell me how to answer this please I WILL MARK BRAINLIEST
iogann1982 [59]

Answer:

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Step-by-step explanation:

To solve this it is basically like a normal problem you would just take out the X in it and divide 7 by 21 which leaves you with 3.

7 0
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