tiaaa1a
tiaaa1a tiaaa1a
  • 24-04-2020
  • Mathematics
contestada

Find the area of a regular pentagon if the length of the apothem is 8 centimeters?

Respuesta :

lisee787 lisee787
  • 24-04-2020

Answer:

232cm^2

Step-by-step explanation:

Formula A= 1/2ap

1/2 (8)(58) = 232

I got 65 by 360 /5 sides=72

72/2=36

Tan 36×8= 5.8 ×10 small triangles =58

Answer Link

Otras preguntas

What does authoritarian mean? requiring acknowledgment of authorship requiring strict obedience to an authority, such as a dictator ruling by aristocracy ru
How did the location of the Battle of Somme, Verdun and Ypres factor into the amount of lives taken, as well as the impact of these battles?
The king has refused to agree to the laws that would benefit the people
are the ratios 25/45 and 15/27 proportional? show your work, explain
Because the British government had imposed taxes on colonists without representation, the drafters of the Articles of Confederation
Simplify. (y 3)5 · y 4 y12 y19 y32 y60
Why is using coins as money easier than using gold bars? a. coins are more durable c. coins are more uniform b. coins are more portable d. coins are more limite
A bad thesis will often contain all of the following, EXCEPT a. It makes no claims b. It restates conventional wisdom. c. It presents a claim readers might dis
the process of changing energy from one form to another. Solar energy is changed into chemical energy by plants.
Divide 1.20m in the ratio 2:3:4