Sarthaks Test
0 votes
88 views
in Mathematics by (7.9k points)

The radii of two circles are 8 cm and 6 cm respectively. Find the radius of the circle having its are equal to the sum of the areas of two circles.

1 Answer

0 votes
by (13.1k points)
selected by
 
Best answer

Radius of circles are 8cm and 6cm

Area of circle with radius 8cm = π(8)2=64πcm2

Area of circle with radius 6cm = π(6)2=36π cm2

Areas sum = 64π + 36π = 100π cm2

Radius of circle be x cm

Area = πx2

πx2 = 100π

x2=100

⇒x=√100=10cm

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...