<h3>
Answer: Choice B</h3>
Angle 1 = 147 degrees
Angle 2 = 80 degrees
Angle 3 = 148 degrees
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Work Shown:
(angle 1) + 33 = 180
angle 1 = 180-33
angle 1 = 147 degrees
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Focus on the left most triangle that has angles 33 and 47 as interior angles. The missing angle is 180-33-47 = 100 degrees
The angle exterior to this 100 degree angle is angle 2
angle 2 = 180-100 = 80
We have enough info to conclude the answer must be choice B.
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Let's keep going to find angle 3
The vertical angle for the 100 degree angle is also 100 degrees. This second 100 degree angle is part of the triangle on the right
This triangle on the right has interior angles 100 and 48
The missing interior angle is 180-100-48 = 32
The angle supplementary to this is 180-32 = 148, which is angle 3.
Acute: The angle is LESS than 90 Degrees
Obtuse: The angle is MORE than 90 Degrees
Right: The angle is EXACTLY 90 Degrees
Answer:

Step-by-step explanation:
= Radius of arm = 15 inch
Length of blade = 11 inches
= Radius of point at which the blade is mounted = 4 inches
= Angle of the sector = 
The required area is ABDE

The area which is swept clean is 
Answer:
Step-by-step explanation:
Fractia 2 supra 5 trebuie sa fie egala cu fractia care are numitorul 100
2/5 = x /100
Cu cat e 100 mai mare decat 5 ?
5 ·? = 100
? = 100/5 = 20
Amplifica fractia care ti s-a dat 2/5 cu 20
2·20 /5·20 = 40 /100
Isn't 2,351 the standardized form already?
there is word form: two thousand, three hundred fifty one
there is expanded form: (2* 1000)+ (3*100)+ (5* 10)+ (1* 1)= 2,351