Advertisements
Advertisements
प्रश्न
ture or false v
The degree measure of a semi-circle is 180°.
Advertisements
उत्तर
True
APPEARS IN
संबंधित प्रश्न
In two concentric circles, prove that all chords of the outer circle which touch the inner circle are of equal length.
If AB, AC, PQ are tangents in Fig. and AB = 5cm find the perimeter of ΔAPQ.
In figure PA and PB are tangents from an external point P to the circle with centre O. LN touches the circle at M. Prove that PL + LM = PN + MN
In the given figure, BC is a tangent to the circle with centre O. OE bisects AP. Prove that ΔAEO~Δ ABC.

In the given figure, a circle inscribed in a triangle ABC, touches the sides AB, BC and AC at points D, E and F respectively. If AB = 12 cm, BC = 8 cm and AC = 10 cm, find the lengths of AD, BE and CF.

In the given figure, ABCD is a cyclic quadrilateral. If ∠BCD = 100° and ∠ABD = 70°, find ∠ADB.

In the given figure, O is the centre of the circle. Find ∠CBD.

The length of three concesutive sides of a quadrilateral circumscribing a circle are 4 cm, 5 cm, and 7 cm respectively. Determine the length of the fourth side.
A line through the point of contact and passing through centre of the circle is known as ______
Three circles touch each other externally. The distance between their centres is 5 cm, 6 cm, and 7 cm. Find the radii of the circles.
