Answer:
right angle
Step-by-step explanation:
It has a 90 degrees angle
In one revolution of the wheel, a point on the edge travels a distance equal to the circumference of the wheel.
The wheel has radius 1 ft, so its circumference is 2π (1 ft) = 2π ft.
Then the point has a linear speed of
(1/4 rev/s) * (2π ft/rev) = 2π/4 ft/s = π/2 ft/s
Given:
ML = 2.3
Angle L = 70 degrees
What we want to find:
MN = x
Use the sine rule
Make sure your calculator is in degree mode
sin(angle) = opposite/hypotenuse
sin(70) = x/2.3
2.3*sin(70) = x
x = 2.3*sin(70)
x = 2.16129302780759
x = 2.2
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Answer: 2.2
The answer to 9 is 87.
The answer to 10 is x=91, y=89, and z=31
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Answer:
Step-by-step explanation:
<u>∠WYX is the inscribed angle and equal to half of the intercepted arc WX</u>
- mWX = 2m∠WYX = 2(42x + 1) = 84x + 2
<u>Sum of arc measures add to 360°:</u>
- 29x - 1 + 65x + 3 + 84x + 2 = 360
- 178x + 4 = 360
- 178x = 356
- x = 2
<u>Plug in the value of x and find measure of the arc WX:</u>
