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Vikki [24]
3 years ago
7

Choose all the statements that correctly explain why this shape is an obtuse isosceles triangle.it has 3 sides that are all equa

l.1 of the angles is equal to 90°.1 angle is greater than 90°.2 sides are equal in length.
Mathematics
1 answer:
NemiM [27]3 years ago
8 0
An Isosceles triangle has two congruent sides and angles so, therefore, the last two statements should be correct.
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PLEASE PLEASEEEEEEE HELPPPPPP!! 100 POINTSSSS :)
natali 33 [55]

The area of the wheel is  31415.9 ft².

The Central angle in degrees is 34.29°

Measure of a central angle in radians is 0.5984 radians

<h3>How to calculate the area and central angle of a circle?</h3>

A) The image shows an example of this Ferris wheel.

We are given;

Diameter; d = 200 ft

Radius; r = 100 ft

Number of gondolas = 42

Area of the circle wheel = πr²

Area = π * 100²

Area = 31415.9 ft²

B) Now, the sum of angles in a circle is 360°.

Since there are 42 gondola's, then;

Each angle = 360/42 = 60/7°

The central angle will be an angle with its vertex at the center of a circle and with sides that are radii of the circle. From the image, we see that it covers approximately 4 gondola's. Thus;

Central angle = 4 * 60/7° = 34.29°

C) Central Angle in radians will be converted as 0.5984 rad.

D) Arc length between two gondolas is;

S = rθ

S = 100 * 0.5984

S = 59.84 radians

Read more about area and central angle at; brainly.com/question/12299316

#SPJ1

7 0
1 year ago
What is the exact value of sin(5π/12)? <br><br>(please give steps)​
snow_tiger [21]

Answer:

0.966053748

Step-by-step explanation:

\sin \bigg( \frac{5\pi}{12} \bigg) \\  =  \sin \bigg( \frac{5 \times 180 \degree}{12} \bigg) \\  =   \sin ( 5 \times 15 \degree) \\  =  \sin ( 75 \degree) \\  = \sin ( 45 \degree + 30 \degree) \\  = \sin  45 \degree  \times  \cos 30 \degree + \cos  45 \degree  \times  \sin 30 \degree \\  \\  =  \frac{1}{ \sqrt{2} }  \times   \frac{ \sqrt{3} }{2}  +  \frac{1}{ \sqrt{2} }  \times  \frac{1}{2}  \\  \\  =  \frac{ \sqrt{3} }{2 \sqrt{2} }  +  \frac{1}{2 \sqrt{2} }  \\  \\  =  \frac{ \sqrt{3}  + 1}{2 \sqrt{2} }  \\  \\  =  \frac{1.732 + 1}{2 \times 1.414}  \\  \\  =  \frac{2.732}{2.828}  \\  \\  = 0.966053748

7 0
3 years ago
The measure of angle DAB = 132. The measure of angle ABC = 81. What is the measure of angle BCA
MArishka [77]
The answer to this question is 51 degrees because that outer angle is the sum of the opposite inner angles. It is the sum of the other angles not touching that angle.
8 0
3 years ago
X - 5.7 = 6.4 <br> what is x?
Evgen [1.6K]

Answer:

The chosen topic is not meant for use with this type of problem. Try the examples below.

3x+3=243x+3=24

x2+9=73x2+9=73

x2−10x≤−9

Step-by-step explanation:

Hope this helps, If it did, then I would really appreciate it if you gave me Brainliest, I only need one more to rank up and it has taken forever to get to where I am currently. Thanks.

8 0
3 years ago
Read 2 more answers
What is the value of x? ASAP please
Vikentia [17]
All triangles have a total of 180° in them.

So to find x, simply take 50° and 100° from 180°:

x = 180 - 100 - 50
= 30°

So x = 30°, and thus option D
7 0
3 years ago
Read 2 more answers
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