> In the diagram below, AC = 4, AB = 6 and BC = 8. Is segment AB tangent to OC.
1 answer:
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Answer:
No
Step-by-step explanation:
The ratios of triangle side lengths are ...
4 : 6 : 8 = 2 : 3 : 4
This is an arithmetic progression.
The only arithmetic progression of side lengths that makes a right triangle is ...
3 : 4 : 5
The triangle is not a right triangle, so AB is not a tangent.
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Answer:
<h2>C = 70π cm</h2><h2>A = 2,450 cm²</h2>Step-by-step explanation:
The perimeter of the given figure is equal to the circumference of whole circle.
The formula of a circumference of a circle:
d - diameter
We have d = 70 cm. Substitute:
The area of given figure is equal to the area of rectangle 70cm × 35cm.
(look at the picture).
The area of a rectangle:
