1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ilya [14]
4 years ago
15

A rectangular octagon is shown in the ceiling of a cathedral. The radius is 10.5 feet and the perimeter is 64 feet. The regular

octagon in the ceiling of this cathedral has a radius of 10.5 feet and a perimeter of 64 feet. What is the length of the apothem of the octagon? Round your answer to the nearest tenth of a foot. feet Using your answer for the length of the apothem, what is the area of the regular octagon? Round your answer to the nearest tenth of a square foot. square feet
Mathematics
2 answers:
Minchanka [31]4 years ago
8 0

Answer:

9.7 , 310.4

Step-by-step explanation:

dooodidooo

stellarik [79]4 years ago
3 0

Answer:

9.7 , 310.4

Step-by-step explanation:

length of each side = 64/8=8

using theorem Pythagoras

A²=10.5² – (8/2)²

A=9.7 ft

area of triangle

1/2×8×9.7=38.8

area of octagon

38.8×8=310.4

You might be interested in
15 points?
pychu [463]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>(w = 7, w = 8/5)</em>

<em></em>

▹ Step-by-Step Explanation

(7 - w)(5w - 8) = 0

Separate:

7 - w = 0

5w - 8 = 0

Solve:

w = 7

5w - 8 = 0

(w = 7, w = 8/5)

Hope this helps!

CloutAnswers ❁

━━━━━━━☆☆━━━━━━━

7 0
4 years ago
Read 2 more answers
Please answer this question fast​
svetoff [14.1K]

Answer:

348 of them are not postgraduates

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Monica walks 2 miles each day Monday through Friday. She walks 3 miles on Saturday. She does not walk on Sunday. Monica calculat
fredd [130]

Answer:

390, since the answer I got was 377, and we are estimating so that’s the best estimate.

5 0
2 years ago
Please help me with this question
rewona [7]

Answer:

The second option.

Step-by-step explanation:

sin(a + b) = sin(a)cos(b) - cos(a)sin(b)

So:

sin(75°) =

sin(120° - 45°) =

sin(120°)cos(45°) - cos(120°)sin(45°); which is the second option

5 0
4 years ago
PLEASE HELP What is 16,448 written in scientific notation? A. 1.6448 x 10 B. 16.448 x 10 C. 1.6448 x 10 D. 1.6448 x 10
Ugo [173]

Answer:

1.6448 * 10^4.

Step-by-step explanation:

16448

There are 4 digits after the first so the exponent is 4.

1.6448 * 10^4.

3 0
3 years ago
Other questions:
  • What is the equation of this function after it is reflected over the x-axis?
    13·1 answer
  • Tim throws darts at a dartboard that has numbers 1 through 20 and a bull's-eye in the middle. Tim throws a dart 24 times. He hit
    12·1 answer
  • He volume of a cone with height h and radius r can be found using the formula V = 1 3 π r 2 h Find the height of the cone if the
    15·1 answer
  • Find the exact value of tan(theta) for an angle (theta) with sec(theta) = 3 and with its terminal side in Quadrant I.
    7·1 answer
  • What is the new price of the $40 soccer ball after the 35% discount?
    15·2 answers
  • Con you help me with my homework I am not 98 yrs old btw I am 12<br><br> So, what is 7 % of $78
    6·2 answers
  • 30 secs on battery hurry for brainles
    5·2 answers
  • Find the length of side AC. Round to the nearest tenth
    5·1 answer
  • Please Help
    13·1 answer
  • How do I solve this question.
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!