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Depending on the angle made by the plane with the vertical axis of the cone, four distinct shapes can occur: Ellipse: When the plane intersects the double napped cone such that the angle between the vertex and the angle is greater than the vertex angle, the resulting conic section in the form of a closed curve is called an ellipse.
Question 1106391: The measure of the vertex angle in an isosceles triangle is six less than four times the measure of the base angle. Find the measure of the vertex angle. Answer by josgarithmetic(39464) (Show Source):
Question 81971: Triangle ABC is an isosceles triangle with vertex angle B, AB = 5x - 28, AC = x + 5, and BC = 2x + 11. Find the length of the base. Find the length of the base. Answer by psychopsibilin(3) ( Show Source ):
Each of the base angles of the triangle is 7 times the third angle (the vertex angle). Find the measure of the vertex angle. : let A = the vertex angle then 7A = the base angles: 7A + 7A + A = 180 15A = 180 A = 180/15 A = 12 degrees is the vertex angle
Question 823542: each base angle of an isosceles triangle is 15 more than the vertex angle. What is the measure of the vertex angle What is the measure of the vertex angle Found 2 solutions by TimothyLamb, stanbon :
The ratio of the vertex angle to a base angle of an isosceles triangle is 8:6. Find the measure of the vertex angle. Find the measure of the vertex angle. Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex.
Let’s now label the vertex angle we need to find as x. And since each of the base angles is twice the vertex angle, each of them will be 2x. Further, as the sum of all angles of a triangle is 180 °, we can set up the below equation: x + 2 x + 2 x = 180 ° 5 x = 180 ° x = 180 5. x = 36 ° So the vertex angle A of the given triangle is 36°.
Q: Find the missing angle. Round answer to the nearest tenth of a degree. 8 16√2 0 24 A: The right angled triangle is given and we need to find out the angle theta as shown in the triangle.
These diagonal will divide the octagon into 6 triangles (it's always 2 less than the number of sides in the figure being "diagonalized"). Each triangle has 180 degrees, which multiplied times 6 gives you 1080 degrees. This 1080 degrees represents the sum of the 8 vertex angles of the octagon. To find the size of each angle, divide 1080 by 8, or ...
Question 340314: In an isosceles triangle, of the ratio of the vertex angle to the base angle is 1: 4, what is the degree measure the base angle? (a)20 (b) 30 (c) 36 (d) 40 (e) 80 Answer by Jk22(389) (Show Source):