Question

Q1.The side of a regular octogon is denoted by r. Express the perimeter of the octogon using r.
Q2. Benjamin's mother is three times as old as Benjamin. If Benjamin's mother is 39 years old, find Benjamin's age.
Q3. Take Vena’s age to be x years.
a. What will be her age after 10 years?
b. Veena’s mother is 2 years more than 3 times of her age. What is mother age?
If the answer is correct i will mark them as brainliest with one thanks

Answer 1

Answer:

1)Side of regular octagon=r

perimeter of regular octagon=8r

2)Let Benjamin's age be x

so his mother's age is 3x

3x=39

x=39/3

=13

3)a)(x+10)

b)Age of Veena's mother=3x+2