Answer:
6.28
Step-by-step explanation:
You need to find the circumference,
so 2*3.14*R
the radius is 4 so
2*3.14*4
25.12
now you have found the length of the full circle, you need to find a quater like because there is 4 90 degres in a circle
so divide you answer by 4
Answer:
Alyssa's weekly allowance is $20!
Step-by-step explanation:
Read the problem and set up the following equation using X as Alyssa's weekly allowance:
X/2+7=17
1) Subtract 7 from both sides:
X/2=10
2) Multiply both sides by 2:
X=20
I think thats AAS. Im from the UK and we call that '2 angles and the corresponding side'.