Put a 1 under the 4 to make 4/1. it will still be 4. then multiply straight across 9 x 4=36 and 1 x 5=5 so the answer is 36/5.
hope this helped:)
Answer:
24π cm
Step-by-step explanation:
s = (∅/360) * 2πr
s = (216/360) * 2π(20)
s = (216/360) * 2 * 20 * π
s = 24π cm
<span>If i remember correctly there is a reciprocal relationship you have to make use of. Check you textbook or whatever you might use.</span>
