8 The perimeter P of a regular pentagon is 90 cm. What is the length x of each side?

Mathematics

2 answers:

svetoff [14.1K]2 years ago

8 0

Answer:

X = 18

Step-by-step explanation:

This is a regular pentagon, meaning that each side is the same. Now, since we know the perimeter, we can divide that by 5 to find each side's length (x). 90/5 = 18, so the length x of each side is 18.

Artyom0805 [142]2 years ago

5 0

Answer:

18cm

Step-by-step explanation:

You would do 90/5 which is 18. Each side of the pentagon is 18cm.

You might be interested in

at the car wash fundraiser jenna's team washed 14 cars in 45 minutes. if they keep up at that rate, how many cars can the team w

s2008m [1.1K]

You can write it as a proportion and then solve the proportion.
(2.5 hours is 150 minutes)
14 cars x cars
--------------- = -------------------
45 minutes 150 minutes

Then solve.

x=46.6666666
So that is about 47 cars

4 0

3 years ago

A submersible vessel at an elevation of -95 feet descends to 5 times that elevation. What is the vessel's new elevation?

trasher [3.6K]

-475
you multiply -95 by 5

6 0

3 years ago

Charlie (c) has 75 more pencils than Kate (k). Together, they have 135 pencils. Which *two* equations represent the system of eq

Tamiku [17]

Answer:

uhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

Step-by-step explanation:

5 0

2 years ago

Hey! Can you help out a bit?

Lady_Fox [76]

$k:y=m_1x+b_1;\ l:y=m_2x+b_2\\\\k\ \perp\ l\iff m_1m_2=-1\\====================================\\k:y=-x-2;\ l:y=mx+b\\\\k\ \perp\ l\iff-1\cdot m=-1\Rightarrow m=1\\\\l:y=1x+b\to y=x+b\\\\(4;\ 1)\to substitute\ x=4\ and\ y=1\ to\ y=x+b:\\\\4+b=1\\b=1-4\\b=-3\\\\Answer:y=x-3$