Would it be 4(1)^2+2(2(1)+2)^2=100
ANSWER: 2j-61
j = Jenny's age
Answer:
the answer is the 2nd one :)
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
We know that
area of a circle=pi*r²
turn A
r=3 units------> 3*(1/10)----> 0.3 miles
area of a circle=3.142*0.3²-----> 0.28278 miles²
by proportion
0.28278/360°=A/90°------> A=90*0.28278/360------> A=0.0707 miles²
the answer is
0.0707 miles²