Answer: 69.43 cm
Step-by-step explanation:
Given: Arc length (JK) = 40.5 cm
Central angle ∠ JLK = 210°
Arc length = 

Hence, Circumference = 69.43 cm
Answer:
5 years ago
Let Kelly's age be x
Jake's age is 4x
5 years later
Kelly's age is x + 5
Jake's age is 4x+5
The sum of both their ages is 60. The equation will be
x + 5 + 4x + 5 = 60
5x + 10 = 60
5x = 60 - 10
x = 50/5 = 10
So Kelly is (10 + 5) 15 years old.
Jake is (4*10 + 5) = 45 years old
Product=Multiplication
Sum= Addition
Difference=Subtraction
Quotient=Division
Quantity=Parenthesis
Answer:
secant
Step-by-step explanation:
A secant is a line that intersects a circle in exactly two points.