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aleksandr82 [10.1K]
2 years ago
10

A chord 12cm long subtends an angle of 40° at the centre of the circle. calculate the radius of the circle.

Mathematics
1 answer:
kramer2 years ago
5 0
Ok 12cm 40• is 50 minutes
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Please help me with this math problem
goldfiish [28.3K]
If you look at the graph you can tell the graph is increasing before x = -2. 

From x = -2 to x = 0, it's decreasing.

Then it's increasing again from x = 0 to x = 2, then decreasing after x = 2

So answer is the last one
It is increasing before x = -2 and from x = 0 to x = 2
3 0
3 years ago
An 8th grade class project involves decorating a rectangular box with the following dimensions.
Margarita [4]

Answer:1500

Step-by-step explanation: so i got the anwser 1539.2 and just rounded to the nearest hundredth which is 1500 hopefully it helps!

5 0
3 years ago
Identify the unit rate in the graph. HURRY
Paul [167]

Answer:

C

Step-by-step explanation:

If you take the points (1,50), and (2,100) and (3,150) you can see that the graph is increasing by 50 each time

3 0
2 years ago
A cab charges the following fare for each trip.
Sphinxa [80]

Answer:

32.25

Step-by-step explanation:

6 0
2 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
olga nikolaevna [1]
<h3>Answer:   1.15</h3>

==============================================================

Work Shown:

QR = 73

QP = 55

PR = x

Pythagorean Theorem

a^2 + b^2 = c^2

(QP)^2 + (PR)^2 = (QR)^2

(55)^2 + (x)^2 = (73)^2

3025 + x^2 = 5329

x^2 = 5329-3025

x^2 = 2304

x = sqrt(2304)

x = 48

PR = 48

----------

tan(angle) = opposite/adjacent

tan(R) = QP/PR

tan(R) = 55/48

tan(R) = 1.1458333 approximately

tan(R) = 1.15

8 0
3 years ago
Read 2 more answers
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