miscellaneous-conic sections (ncert class 11th maths) – eduhilfe

Forgot Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

0

Asked: August 24, 2020In: NCERT 11th Maths

8. An equilateral triangle is inscribed in the parabola $y^2 = 4ax$ , where one vertex is at the vertex of the parabola. Find the length of the side of the triangle.

0

0

Asked: August 24, 2020In: NCERT 11th Maths

7. A man running a racecourse notes that the sum of the distances from the two flag posts from him is always 10 m and the distance between the flag posts is 8 m. Find the equation of the posts traced by the man.

0

0

Asked: August 24, 2020In: NCERT 11th Maths

6. Find the area of the triangle formed by the lines joining the vertex of the parabola $x^2 = 12y$ to the ends of its latus rectum.

0

0

Asked: August 24, 2020In: NCERT 11th Maths

5. A rod of length 12 cm moves with its ends always touching the coordinate axes. Determine the equation of the locus of a point P on the rod, which is 3 cm from the end in contact with the x-axis.

0

0

Asked: August 24, 2020In: NCERT 11th Maths

4. An arch is in the form of a semi-ellipse. It is 8 m wide and 2 m high at the centre. Find the height of the arch at a point 1.5 m from one end.

0

0

Asked: August 24, 2020In: NCERT 11th Maths

3. The cable of a uniformly loaded suspension bridge hangs in the form of a parabola. The roadway which is horizontal and 100 m long is supported by vertical wires attached to the cable, the longest wire being 30 m and the shortest being 6 m. Find the length of a supporting wire attached to the roadway 18 m from the middle.

0

0

Asked: August 24, 2020In: NCERT 11th Maths

2. An arch is in the form of a parabola with its axis vertical. The arch is 10 m high and 5 m wide at the base. How wide is it 2 m from the vertex of the parabola?

0

0

Asked: August 24, 2020In: NCERT 11th Maths

1. If a parabolic reflector is 20 cm in diameter and 5 cm deep, find the focus.

0