Advertisements
Advertisements
प्रश्न
If A, B, C, D are four points such that ∠BAC = 30° and ∠BDC = 60°, then D is the centre of the circle through A, B and C.
विकल्प
True
False
उत्तर
This statement is False.
Explanation:
Because, there can be many points D, such that ∠BDC = 60° and each such point cannot be the centre of the circle through A, B and C.
APPEARS IN
संबंधित प्रश्न
Write True or False. Give reasons for your answers.
A chord of a circle, which is twice as long as its radius, is a diameter of the circle.
AB is a chord of a circle with centre O , AOC is a diameter and AT is the tangent at A as shown in Fig . 10.70. Prove that \[\angle\]BAT = \[\angle\] ACB.
Use the figure given below to fill in the blank:
______ is a chord of the circle.
State, if the following statement is true or false:
The longest chord of a circle is its diameter.
Two circles of radii 5 cm and 3 cm intersect at two points and the distance between their centres is 4 cm. Find the length of the common chord
In the following figure, ∠AOB = 90º and ∠ABC = 30º, then ∠CAO is equal to ______.
A circle of radius 3 cm can be drawn through two points A, B such that AB = 6 cm.
If AOB is a diameter of a circle and C is a point on the circle, then AC2 + BC2 = AB2.
Prove that angle bisector of any angle of a triangle and perpendicular bisector of the opposite side if intersect, they will intersect on the circumcircle of the triangle.
A circle of radius 3 cm with centre O and a point L outside the circle is drawn, such that OL = 7 cm. From the point L, construct a pair of tangents to the circle. Justify LM and LN are the two tangents.
