To calculate the central angle visualize a circle in the center of the polygon. A circle has 360 degrees. Divide 360 by the number of sides and that will tell you the central angle size. So 360 divided by 30 equals 18 degrees.

To find the base angle use this formula

180(n-2)/n where n is the number of sides of a regular polygon.

When you plug in 30 for n

4 0

3 years ago

4/y+2=10/5y solve for y

pantera1 [17]

Answer: y=−1 or y=2

Step-by-step explanation:

8 0

3 years ago

In downtown Charlotte, building inspectors must regulate the height of buildings. From the top of the BB&T building which is

Morgarella [4.7K]

Answer:

296.89 m

Step-by-step explanation:

assuming that both the buildings are on level ground (i.e their bases are at the same elevation), see attached.

5 0

3 years ago

Each leg of the race from part a is the same distance. Calculate the team's

SVETLANKA909090 [29]

Answer:

bro you didnt put no picture up

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers