Q. 34.1( 34 Votes )

# If radii of two circles are 4 cm and 2.8 cm. Draw figure of these circles touching each other –

(i) externally

(ii) internally.

Answer :

(i)

__Steps of construction:__

1. Draw a circle with radius 4cm and centre A.

2. Draw another circle with radius 2.8 cm and centre B such that they touch each other externally.

(ii)

__Steps of construction:__

1. Draw a circle with radius 4cm and centre A.

2. Draw another circle with radius 2.8 cm and centre B such that they touch each other internally.

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Solve any two sub-question:

Prove that, “The lengths of the two tangent segments to a circle drawn from an external point are equal.”

Maharashtra Board - Geometry PapersIn figure 3.80, if PQ = 6, QR = 10, PS = 8 find TS.

MHB - Mathematics Part-2

In figure 3.79, O is the centre of the circle and B is a point of contact. seg OE seg AD, AB = 12, AC = 8, find

(1) AD

(2) DC

(3) DE.

MHB - Mathematics Part-2

If radii of two circles are 4 cm and 2.8 cm. Draw figure of these circles touching each other –

(i) externally

(ii) internally.

MHB - Mathematics Part-2

Two circles having radii 3.5 cm and 4.8 cm touch each other internally. Find the distance between their centres.

MHB - Mathematics Part-2Two circles of radii 5.5 cm and 4.2 cm touch each other externally. Find the distance between their centres.

MHB - Mathematics Part-2