Answer:
x= 35
Step-by-step explanation:
supposing we are finding x, we know that the line in the middle is the dimeter. so we know its a semicircle with an arc of 180 degrees. 180-110=70 divide that by two to get x which is 35.
Answer:
A heart will beat 140 times in 2 minutes
Step-by-step explanation:
700 ÷ 10 = 70
140 ÷ 70 = 2
Answer:
87.5 inches long
Step-by-step explanation:
250 x 0.35 = 87.5
Answer: 230.4 feet
Step-by-step explanation:
arc length = circumfrance x fraction of a circle
=
x 
= 
= 230.4 feet to nearest tenth