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almond37 [142]
3 years ago
15

Find the area of a circle in terms of pi with a radius of 7.4 cm.

Mathematics
2 answers:
vfiekz [6]3 years ago
6 0

Answer: I think the answer is 13.69

Anit [1.1K]3 years ago
4 0
A= \pi  r^{2} =\\A=\pi (7.4)^{2}=\\A=\pi (54.76)=\\A=54.76\pi
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Each lap around a park is 0.58 miles. Jessica walked 3.25 laps around the park. How many miles did Jessica walk around the park?
xz_007 [3.2K]
0.58x3.25=1.885
c.)1.885 miles
6 0
3 years ago
Find the arc length of the semicircle. Either enter an exact answer in terms of π or use 3.14 for π and enter your answer as a d
PSYCHO15rus [73]

Answer:

Step-by-step explanation:

The formula for the length of an arc is s = rФ.

Thus, the arc length of a semicircle is S = rФ/2.

Here the radius is 5 (half the diameter), and so in this case the arc length is

S = (5 units)π/2, or S = (5/2)(3.14) units, or approximately S = 7.85 units

6 0
3 years ago
How much area will the dimensions of a right triangle are 35 feet by 20 feet?
Oksana_A [137]
The area will be 700 ft.
8 0
3 years ago
3x
mel-nik [20]

Answer:

x = 25°

Step-by-step explanation:

3x + 2x + x + 30° = 180°

6x + 30° = 180°

6x = 150°

x =25°

=> 3x = 25 * 3 = 75°

=> 2x = 25 * 2 = 50°

=> x + 30° = 25° + 30° = 55°

6 0
3 years ago
What is the value of x?
Alex_Xolod [135]

Answer:

x=4

Step-by-step explanation:

ABCD is a rectangle, so AD and BC are parallel. Thus, The angle complementary to 6x+19 is 47.

6x+19+47=90

6x+66=90

6x=24

x=4

7 0
3 years ago
Read 2 more answers
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