Find the ratio of areas of two circles if they have a radius as 5 and 3 res

Question

Find the ratio of areas of two circles if they have a radius as 5 and 3 respectively. [3 MARKS]

Answer:
:
Steps: 2 Marks
Answer: 1 Mark
Area of first circle

A_{1} = π r^{2} = π 5^{2}

Area of second circle

A_{2} = π r^{2} = π 3^{2}

Ratio of the area of two circles:

π 5^{2} : π 3^{2} = 25 : 9

Was this answer helpful ?

Next Question

More Questions on This Topic :

Question 1. In an examination which has questions of 100 marks, Aamir scores 54 marks while Usha loses 34 marks in her pap....scored 72 marks, how much did Kunal score? [3 MARKS]

Question 2. In a class, there are 100 students, 45 students have chosen volleyball and 25 students have chosen football an....The ratio of students in volleyball to that in tennis. [2 MARKS]

Question 3. Raj and Alisha start walking to school at the same time every morning. The ratio of the distance of Raj's house to ....ratio of the walking speed of Raj and Alisha is? [4 MARKS]

Question 4. If x:32 and 4:16 are equivalent ratio, then find the value of x. [1 MARK] ....

Question 5. Find the ratio of areas of two circles if they have a radius as 5 and 3 respectively. [3 MARKS] ....

Question 6. In a class, there are 100 students, 45 students have chosen volleyball and 25 students have chosen football ....The ratio of students in volleyball to that in tennis. [2 MARKS]

Question 7. (a) The ratio of 20 minutes to 2 hrs. (b) Find x if 5:4::125:x [2 MARKS] ....

Question 8. Look at the figure and find the ratio of : (a) The number of triangles to the number of stars in the rectangle.(b) ....to the total number of figures in the rectangle. [4 MARKS]

Question 9. Anish made 42 runs in 6 overs and Anup made 63 runs in 7 overs. Who made more runs per over and what is the ratio of t....is the ratio of their total runs made? [3 MARKS]

Question 10. In an examination which has questions of 100 marks, Aamir scores 54 marks while Usha loses 34 marks in her p....scored 72 marks, how much did Kunal score? [3 MARKS]

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

GPOE / GPA Combined 1 Free Mock Test SAIL JO E-0 2024

ICA Combined 1 Free Revision Test SAIL JO E-0

RDIC Review Test SAIL JO E-0

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

RSP Combined 1 Free Revision Test SAIL JO E-0