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VikaD [51]
3 years ago
7

Measurement of angle 1

Mathematics
1 answer:
OLEGan [10]3 years ago
5 0

Answer:

55 degrees

Step-by-step explanation:

Given that a circle and inside two chords with same arc length.

We are to find the angle between the two chords.

Given that two arcs subtend angle 125 degrees at the centre.

Let us join the two ends of chords to make the figure as a triangle inside a circle.

The triangle is isosceles as two arcs and hence chords are equal.

By central angle theorem we have the two equal angles as 1/2 (125) = 62.5

Hence we have a triangle with two equal angles 62.5 and another angle 1.

By triangle sum of angles theorem

angle 1+62.5+62.5 = 180

Hence angle A = 180-62.5-62.5 = 55 degrees.

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a discount of 15% saved jackie $57 on office supplies. what was the price of the supplies before the discount?
kolbaska11 [484]

Answer:

$38-

Step-by-step explanation:

15% = $57

57 ÷ 3 = 19%

15 ÷ 3 = 5

100 ÷ 5 = 20

19% × 20 = $380

6 0
3 years ago
Can someone help me really quick?<br> Which is the graph of y = ⌊x⌋ – 2?
Alex787 [66]

Answer:

the 3rd one

Step-by-step explanation:

6 0
3 years ago
Which of the following decimals is equivalent to 6%? A. 600 B. 6 C. 0.6 D. 0.06
sashaice [31]
D move 2 times to the left
6 0
3 years ago
∠E and ∠F are vertical angles with m∠E=9x+12 and m∠F=3x+24. What is the value of x?
statuscvo [17]

Answer:

  • x = 2

Step-by-step explanation:

<em>Vertical angles are equal as per definition.</em>

  • ∠E and ∠F are vertical angles
  • m∠E = 9x+12 and m∠F = 3x+24
  • x = ?

<u>Solution</u>

  • 9x+12 = 3x+24
  • 9x - 3x = 24 - 12
  • 6x = 12
  • x = 2

4 0
3 years ago
THIS IS REALLY IMPORTANT 7TH GRADE MATH:
Oksana_A [137]

Rectangle perimeter is 53 meters.

L = W + 2.3

To find the options of a perimeter, divide by 4.

= 13.25

So if this was a square, it would be 13.25 for both L and W but it's not.

Since the W has 2.3 meters more then the L, we do this.

13.25 + 2.3 = 15.55

13.25 - 2.3 = 10.95

Two of your sides equal 15.55, and the other two equal 10.95.

Hope this helps!

3 0
3 years ago
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