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Natali [406]
2 years ago
15

Find the sum of the measures of the interior angles of a convex 45-gon.​

Mathematics
1 answer:
stiks02 [169]2 years ago
7 0

Answer: 7740

Step-by-step explanation: take 180(n-45) and n represents the sides

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Helpppppppppppppppppppppp
Ad libitum [116K]

Answer:

8.04 units

Step-by-step explanation:

By Pythagoras Theorem:

{x}^{2}  =  \bigg( \frac{25.2}{2}  \bigg)^{2}  -  {(9.7)}^{2}  \\  \\  {x}^{2}  = ( 12.6)^{2}  -  {(9.7)}^{2}  \\  \\  {x}^{2}  = 64.67 \\  \\ x =  \sqrt{64.67}  \\  \\ x = 8.04176598 \\  \\ x \approx \: 8.04

4 0
2 years ago
What is 43 percent of 84
Misha Larkins [42]

Answer:

36.12

Step-by-step explanation:

43% of 84 can be rewritten to 43% * 84 or 43/100 * 84.

43/100 * 84/1 = 3612/100

3612/100 = 36.12

3 0
3 years ago
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Someone who actually knows what they doing please ‍♀️
mariarad [96]

Answer:

5/9 (F-32) = 25

Step-by-step explanation:

5/9 (F-32) = C

Multiply each side by 9/5

5/9 * 9/5 (F-32) =9/5 C

F -32 = 9/5 C

Add 32

F -32 +32 = 9/5 C +32

F = 9/5 C +32

We want 25 C to Fahrenheit

F = 9/5 *25 +32

F = 9*5 +32

F = 45+32

F = 77

5 0
3 years ago
The Slope of a Line
Klio2033 [76]

Answer:

m = -3

Step-by-step explanation:

Slope Formula: m = \frac{y2-y1}{x2-x1}

Simply plug in our coordinates to find slope:

m = (11 - 2)/(5 - 8)

m = 9/-3

m = -3

5 0
3 years ago
Biking at 10 mph, it takes Kristen hour to reach the train station to go to work. Kristen then takes the train to work, and it t
vivado [14]
<span>d = 18 mi   is the answer</span>
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3 years ago
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