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Sagot :
Answer:
24 ft
Step-by-step explanation:
This is modelled as a right triangle with height 5 ft and hypotenuse 13 ft
Base of triangle = radius of circle
Find base length using Pythagoras' Theorem: a² + b² = c²
(where a and b are the legs and c is the hypotenuse of a right triangle)
⇒ 5² + b² = 13²
⇒ 25 + b² = 169
⇒ b² = 169 - 25
⇒ b² = 144
⇒ b = √144
⇒ b = 12 ft
Therefore, if b is 12 ft, then the radius is 12 ft.
Diameter of a circle = 2r (where r is the radius)
⇒ diameter = 2 x 12 = 24 ft
- Perpendicular=P=5ft
- Hypotenuse=H=13ft
- Base=B=radius=?
Apply Pythagorean theorem
[tex]\\ \rm\hookrightarrow B^2=H^2-P^2[/tex]
[tex]\\ \rm\hookrightarrow B^2=13^2-5^2[/tex]
[tex]\\ \rm\hookrightarrow B^2=12^2[/tex]
[tex]\\ \rm\hookrightarrow B=12[/tex]
Radius is 12ft
- Diameter=2(12)=24ft
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