Question

19.
10. उस दीर्घवृत्त का समीकरण ज्ञात कीजिए जिसकी नाभियाँ (+-2,3) हैं
तथा अर्धलघु अक्ष √5 hai

Answer 1

Answer:

It is given that two circle having radii 5.5 cm and 4.2 cm touch each other externally. We know, the distance between the centres of the circles touching externally is equal to the sum of their radii. Thus, the distance between their centres is 9.7 cm.