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You can find the angle of a triangle within a circle segment using the circle theorems.

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โˆ™ 2014-07-02 11:52:09
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Q: How do you find the angle of a triangle within a circle segment?
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Continue Learning about Geometry

What is angle of inscribed in semi circle?

A right angle triangle can fit into a semi-circle


How would you construct an isosceles triangle if only given the vertex angle and the radius of the circumscribed circle?

You have an isosceles triangle, and a circle that is drawn around it. You know the vertex angle of the isosceles triangle, and you know the radius of the circle. If you use a compass and draw the circle according to its radius, you can begin your construction. First, draw a bisecting cord vertically down the middle. This bisects the circle, and it will also bisect your isosceles triangle. At the top of this cord will be the vertex of your isosceles triangle. Now is the time to work with the angle of the vertex. Take the given angle and divide it in two. Then take that resulting angle and, using your protractor, mark the angle from the point at the top of the cord you drew. Then draw in a line segment from the "vertex point" and extend it until it intersects the circle. This new cord represents one side of the isosceles triangle you wished to construct. Repeat the process on the other side of the vertical line you bisected the circle with. Lastly, draw in a line segment between the points where the two sides of your triangle intersect the circle, and that will be the base of your isosceles triangle.


What relationship does the hypotenuse have with the circle?

The hypotenuse has no intrinsic relationship to the circle. The hypotenuse is the side of a right triangle that is opposite to the right angle. You can draw a circle that has a hypotenuse as its diameter or its radius, but you can do that with any line segment. It would not be related in another way to the triangle.


What is A segment that connects a vertex of a triangle to the opposite side of the triangle at a right angle?

The hypotenuse of a right angle triangle is opposite to its right angle of 90 degrees.


What is a triangle in a circle that is formed by two chords and a diameter?

If a triangle is drawn in a circle with a diameter as the base of the triangle, then the angle opposite that diameter is a right angle. This is an extension of the theorem that the angle which an arc of a circle subtends at the centre of a circle is twice the angle which the arc subtends at the circumference. In the case of a diameter, then the angle subtended at the centre is 180° and thus the angle at the circumference is 90°.

Related questions

An angle with its vertex and endpoints on the circle?

If the vertex is at the centre of the circle then this forms a sector of the circle.If the two endpoints and the vertex form an angle in a segment, then the vertex can be at any point on the circle within the same segment and all angles so formed are equal.


If a line splits a side of a triangle so that one segment is double than the other segment would the angle measurements have a relationship?

This would depend on if you use the segment's endpoints on the triangle with the vertex of the triangle to get the angle.


What is angle of inscribed in semi circle?

A right angle triangle can fit into a semi-circle


How would you construct an isosceles triangle if only given the vertex angle and the radius of the circumscribed circle?

You have an isosceles triangle, and a circle that is drawn around it. You know the vertex angle of the isosceles triangle, and you know the radius of the circle. If you use a compass and draw the circle according to its radius, you can begin your construction. First, draw a bisecting cord vertically down the middle. This bisects the circle, and it will also bisect your isosceles triangle. At the top of this cord will be the vertex of your isosceles triangle. Now is the time to work with the angle of the vertex. Take the given angle and divide it in two. Then take that resulting angle and, using your protractor, mark the angle from the point at the top of the cord you drew. Then draw in a line segment from the "vertex point" and extend it until it intersects the circle. This new cord represents one side of the isosceles triangle you wished to construct. Repeat the process on the other side of the vertical line you bisected the circle with. Lastly, draw in a line segment between the points where the two sides of your triangle intersect the circle, and that will be the base of your isosceles triangle.


What relationship does the hypotenuse have with the circle?

The hypotenuse has no intrinsic relationship to the circle. The hypotenuse is the side of a right triangle that is opposite to the right angle. You can draw a circle that has a hypotenuse as its diameter or its radius, but you can do that with any line segment. It would not be related in another way to the triangle.


What is A segment that connects a vertex of a triangle to the opposite side of the triangle at a right angle?

The hypotenuse of a right angle triangle is opposite to its right angle of 90 degrees.


To circumscribed a circle about a triangle you use the?

To circumscribed a circle about a triangle you use the angle. This is to get the right measurements.


What is the intersection of three angle bisectors of a triangle called?

Orthocenter My improvement: The three angle bisectors will intersect at a point called the incenter. At this point it also the center of the largest possible circle within the triangle. Since a circle has a center point, this point within the triangle is called the incenter. The three heights of a triangle will meet at a special point called the orthocenter.


What is a triangle in a circle that is formed by two chords and a diameter?

If a triangle is drawn in a circle with a diameter as the base of the triangle, then the angle opposite that diameter is a right angle. This is an extension of the theorem that the angle which an arc of a circle subtends at the centre of a circle is twice the angle which the arc subtends at the circumference. In the case of a diameter, then the angle subtended at the centre is 180° and thus the angle at the circumference is 90°.


Does a full angle can be called a circle?

No. A full angle is a segment of a line which goes to a vertex and returns along the same path. Any point on the line segment, other than the vertex, will trace out a circle but the angle itself is NOT a circle.


When a triangle with one side length the diameter of a circle is inscribed in that circle does it have to be a right triangle?

Yes. It follows from one of the circle theorems which states that the angle subtended in a semicircle is a right angle.


Which shapes do not contain obtuse angle?

Some examples are: circle, square, rectangle, right angle triangle, equilateral triangle

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