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xxMikexx [17]
4 years ago
15

Need help please ty (: Find x.

Mathematics
2 answers:
MArishka [77]4 years ago
8 0
<h3>Answer:  x = 18 (choice B)</h3>

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

Work Shown:

Through the inscribed angle theorem, we can say that 2 times the inscribed angle gets us the arc that the inscribed angle cuts off.

2*(inscribed angle) = arc measure

2*(2x+2) = 76

4x+4 = 76

4x+4-4 = 76-4 ... subtract 4 from both sides

4x = 72

4x/4 = 72/4 ... divide both sides by 4

x = 18

PSYCHO15rus [73]4 years ago
3 0

Answer:

Step-by-step explanation:

2 × inscribed angle = 76

2 × (2x + 2) = 76

Open bracket

4x + 4 = 76

Collect like terms

4x = 76 - 4

4x = 72

Divide both sides by 4

4x/4 = 72/4

X = 18

Therefore X is Equal to 18.

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A regular hexagon is shown.
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Answer:

(C)9 in.

Step-by-step explanation:

The apothem of a regular polygon is a line segment from the center to the midpoint of one of its sides.

Given the hexagon with a radius of 10 inches

The apothem AB divides the side of the hexagon into two equal parts of 5 Inches as seen in the attached diagram.

Using Pythagoras Theorem

10^2=5^2+|AB|^2\\|AB|^2=10^2-5^2\\|AB|^2=75\\|AB|=\sqrt{75}\\ |AB|=8.66$ in\\\approx$ 9 in (rounded to the nearest inch)

<u>The correct option is C</u>

8 0
3 years ago
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The base of an isosceles triangle is 12cm and perimeter is 32cm.find its perimeter​
borishaifa [10]

Answer:

the perimeter of is 32 cm

Step-by-step explanation:

of the perimeter is 32 and the base is 12. then the other two sides are both 10 cm.

6 0
3 years ago
What is the length of missing side VR? Round answer to nearest tenth.
elena-s [515]

Answer:

Step-by-step explanation:

Considering the given triangle VRN, to determine VR, we would apply the sine rule. It is expressed as

a/SinA = b/SinB = c/SinC

Where a, b and c are the length of each side of the triangle and angle A, Angle B and angle C are the corresponding angles of the triangle. Likening it to the given triangle, the expression becomes

VR/SinN = VN/SinR = RN/SinV

Therefore

VR/Sin 75 = 22/Sin 39

Cross multiplying, it becomes

VRSin39 = 22Sin75

0.629VR = 22 × 0.966

0.629VR = 21.252

VR = 21.252/0.629

VR = 33.8 m

4 0
3 years ago
How do you solve the factoring of 3t^3-7t^2-3t+7
Serjik [45]

Step-by-step explanation:

<h3>t^2(3t-7) -1(3t-7)</h3>

(3t-7) (t^2-1)this is the answer

7 0
3 years ago
If a triangle had the side lengths of 3 cm, 9 cm, and 6 cm.<br> Is it a right triangle?
Setler [38]
Yeah it would be a right triangle
5 0
3 years ago
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