Answer:
9.75 Average age
Step-by-step explanation:
Answer:
slope
:
The steepness of a line expressed as a ratio, using any two points on the line.
y-intercept
The value of y at the point where a curve crosses the y-axis.
Step-by-step explanation:
Answer:
The explanation is given below with the diagram.
Step-by-step explanation:
Given:
Δ ABC is an Isosceles triangle with base AB.
D is the midpoint of AB
∴ AD = BD
To Prove:

Proof:
Isosceles triangle property:
If Δ ABC is an Isosceles triangle with base AB, then the two sides are congruent and the base angles are congruent.



Answer:
A = 1660 
Step-by-step explanation:
Area of the sail or a triangle is base times height
A =
(b x h)
Base is 40 ft (horizontal length)
Height is 83 ft (vertical height)
A =
(b x h)
A =
(40 x 83) =
(3320) = 1660 