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charle [14.2K]
3 years ago
6

An angle measures 3pi/4 radians. What is this angle's measure, in degrees?

Mathematics
2 answers:
Stels [109]3 years ago
8 0

Answer:

1 radian = 180 / PI degrees

3 PI / 4 radians * 180 / PI the "PI's" cancel and we get

3 / 4 * 180 = 135 degrees

Step-by-step explanation:

Annette [7]3 years ago
5 0

Answer:

135°

Step-by-step explanation:

To convert from radian measure to degree measure

degree measure = radian measure × \frac{180}{\pi }, so

degree = \frac{3\pi }{4} × \frac{180}{\pi }

Cancel π on numerator/denominator and 4, 180 by 4, leaving

degree = 3 × 45 = 135°

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A machinist drilled a conical hole into a cube of metal as shown.
Mnenie [13.5K]

Answer:

512ft³

Step-by-step explanation:

If the cube its sides of all 8 feet, then the length, width, and height is 8 feet. Then, multiply 8 by 8 you get 64 and then multiply 64 by 8 to get 512.

7 0
3 years ago
The height of a triangle is 4 ft less than the base x. The area is 126 ft2. Find the dimensions of the triangle.
valina [46]

Answer:

Base = x = 18ft

Height = x - 4 = 14ft

Step-by-step explanation:

The formula for the area of A the triangle is given by the following equation:

1) A = (base * heigth)/(2)

From this problem, we know that

base = x and that the height is 4ft less than the base, so height = base - 4 = x - 4.

We also know that the area is 126ft², so A = 126 ft². Now we can replace these informations in equation 1).

126 = (x(x-4))/2

x² - 4x = 252

x² -4x - 252 = 0

The roots of this equation are x = 18 or x = -14. But we know that a triangle cannot have negative dimensions, so we use x = 18.

The base is x, so base = 18ft.

Height is 4ft less than the base, so height equals 18-4 = 14ft

7 0
4 years ago
12,14,18,26,42 what are the next 2 numberso in the sequence
maw [93]
12 to 14=2
14 to 18=4
18 to 26=8
26 to 42=16
The difference between each number doubles each time.
Therefore the next 2 numbers should be 74 and 138.
16x2=32, 42+32=74
32x2=64, 74+64=138
4 0
3 years ago
Read 2 more answers
Which set of three numbers can be used to make a right triangle?
Kipish [7]

Answer:

a2+b2=c2

32+42=52

9+16=52

25=52

square root of 25 is 5

Step-by-step explanation:

so 3,4,5, is the answer

5 0
3 years ago
Read 2 more answers
A and B, working together can finish a piece of work in 6 days, while A alone can do it in 9 days. How much time will B alone ta
Llana [10]
Answer:

b and a it will take 30
step by step explanation:
6 0
3 years ago
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