Answer:
is the answer.
Step-by-step explanation:
Change the denominators to 15.

12 - 11 = 1.
= 
Answer:
a) 21
b) 78.5 - 28.3 - 12.57 = 37.63
Step-by-step explanation:
For the triangle, you want to use the formula 1/2 base times height and then subtract 2 time 2. For the circle, the formula is pi times the radius squared. Then, subtract the other circles using the same formula. I hope this helps! Please mark me brainliest because I have been scammed many times. Please and thank you.
Answer:
12.9
Step-by-step explanation:
AB =
= 
BC =
= 
CD =
= 
DE = 3
EA =
= 
The sum of all of these (in decimal form) is (approx.) 12.9
Answer:

Step-by-step explanation:
