Pam needs to spend less than $40 on her school supplies. She spends $12 on a

How can I solve this question???

eduard

Answer:

144°

Step-by-step explanation:

step 1

Find the measure of the central angle of the regular pentagon

Divide 360 degrees by 5 (the number of sides)

$360\°/5=72\°$

Let

c----> the center of the pentagon

we know that

m∠ECA=72°

m∠ACB=72°

therefore

m∠ECB=m∠ECA+m∠ACB

substitute the values

m∠ECB=72°+72°=144°

The measure of angle ECB is equal to the degrees that the pentagon rotate

5 0

3 years ago

10.1 and 10.5 witch one is greater

OLga [1]

Answer:

10.5

Step-by-step explanation:

Because the digit at tenths place in 10.5 is greater than that of in 10.1

$5 > 1$

3 0

2 years ago

Read 2 more answers

A construction crew has just finished building a road. The crew worked for 8 days. If they built 2 1/6 kilometers of road each d

Luba_88 [7]

Answer:

13km

Step-by-step explanation:

Given data

Time= 8 days

Speed= 2 1/6 kilometers per day = 13/6 kilometers per day

Distance= ??

We know that

Speed= distance/time

therefore, Distance= speed*time

substitute

Distance= 13/6*8

Distance= 104/8

Distance= 13 km

Hence the crew did 13km

4 0

2 years ago

Which expression has value of 15 when = 12?

frosja888 [35]

Answer:

I think its 3p not sure but u can try that

3 0

2 years ago

Which one of the following is a true

Marina86 [1]

Answer:

X5, m d5£t4#it8#k,osp5*9y6£, you_, I_, I &, I 5"I 5"6'7'6”7'6'6"6"I 5*95*95*59*I 5,5*5*I 5*I 5•5the area of a trapezium is 240 con 2 97 the parallel side is gucm and 26 cm long Feng

the distance between them.the area of a trapezium is 240 con 2 97 the parallel side is gucm and 26 cm long Feng

the distance between them.

4 0

2 years ago