Question
Two circles of radii 10 cm and 5 cm touch each other externally at a point
Two circles of radii 10 cm and 5 cm touch each other externally at a point
A. PQ is the direct common tangent of those two circles of centres O ₁ and O ₂ respectively. The length of PQ is equal to
Direct common tangent = 2 × √ (r ₁ × r2) 2 x √ (10 x 5) =10√ 2 cmMore Previous year papers Questions
- The pie chart given below shows the number of teachers in five universities. The total teachers in all these five universities are 720. The number of tea...
- Two circles of radii 14 cm and 10 cm intersect each other, and the length of their common chord is 16 cm. What is the distance (in cm) between their center...
- The LCM of two numbers is 660 and their HCF is 5. If one of the numbers is 55, find the other.
- Circumference of a circle is equal to the perimeter of a square. What is the ratio of area of circle to the area of square? (The value of π is 22/7)
- By applying which of the following criteria can two triangles NOT be proved congruent?
- Pen, Pencil, and Rubber in a box are in proportion to 3: 2: 1. If the value of pen, pencil and rubber is Rs.3, Rs.2 and Rs.2, respectively, and the total a...
- Question 7
- After 9 o'clock at what time between 9 pm and 10pm, will the hour and the minute hands of a clock point in opposite direction?
- Question 9
- Three rectangular fields having areas of 70 m², 84 m², and 112 m² are to be divided into identical rectangular flower beds, each having a length of 7 m. Fi...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
