Answer:
12x-30 is the answer simplified
Step-by-step explanation
theres no much of a process
1. BC is 1+3=4 (units)
2. AD is 3+5= 8 (units)
3. Draw the altitude CH from point C, as shown in the figure.
4. Then triangle CHD is a right triangle, with hypothenuse CD, and sides HD and CH.
5.



6. AB=CD=4.47 because the trapezoid is isosceles.
7. P= BC+AD+AB+CD=4+8+4.47+4.47=20.9 (units)
Answer:
848.23
Step-by-step explanation:
Step 1: Find Volume Of The The Cake
Volume = 
Evaluate: ~848.23
Step 2: Find The Part The Was Eaten:
Full Circle: 360
Eaten = 25
Part: 25/360 = 14.4
Set 3: Find Volume Eaten:
14.4/848.23 = 58.90
Answer: 10.368
Step-by-step explanation:
20% of 51.84 is 10.368 or just 10.36
Answer:
Step-by-step explanation:
12 I think