Can someone check my answer?
1 answer:
The measure of EC is 1 ft.
Solution:
Given data:
AD = 8 ft, DB = 2 ft, AE = 4 ft
To find the measure of EC:
Using triangle proportionality theorem,
<em>If a line is parallel to one side of a triangle intersects the other two sides, then it divides the two side proportionally.</em>
Do cross multiplication.
8 EC = 8
Divide by 8 on both side of the equation, we get
EC = 1
EC = 1 ft
Hence the measure of EC is 1 ft.
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Answer:
The equation which shows how the relationship between the circumference and the diameter of this circle is equivalent to π is π = ⇒ answer C
Step-by-step explanation:
In any circle there is a constant ratio between the circumference of the circle and its diameter
This constant ratio is called π
∵ The formula of the circumference of a circle is C = π d,
where d is the diameter of the circle
- Divide both sides by d
∴ = π
- Switch the two sides
∴ π =
∵ The diameter of the circle is 5 centimeters
∴ π =
The equation which shows how the relationship between the circumference and the diameter of this circle is equivalent to π is π =