![Two circles of radii 5.5cm and 4.2cm touch each other externally. Find the distance between their centres. Two circles of radii 5.5cm and 4.2cm touch each other externally. Find the distance between their centres.](https://d10lpgp6xz60nq.cloudfront.net/physics_images/TRG_MAT_X_P2_C03_E05_002_Q01.png)
Two circles of radii 5.5cm and 4.2cm touch each other externally. Find the distance between their centres.
![From each end of a solid metal cylinder,metal was scooped out in hemispherical form of same diameter. The height of the cylinder is 10 cm and its base is of radius 4.2 From each end of a solid metal cylinder,metal was scooped out in hemispherical form of same diameter. The height of the cylinder is 10 cm and its base is of radius 4.2](https://byjus-answer-creation.s3.amazonaws.com/uploads/60e7df4424737982aa9fb83f_img_upload_solution_1646031457.png)
From each end of a solid metal cylinder,metal was scooped out in hemispherical form of same diameter. The height of the cylinder is 10 cm and its base is of radius 4.2
![Draw a circle of radius 4.2 cm. Draw a tangent to the circle from a point 7 cm away from the center of the circle - Geometry | Shaalaa.com Draw a circle of radius 4.2 cm. Draw a tangent to the circle from a point 7 cm away from the center of the circle - Geometry | Shaalaa.com](https://www.shaalaa.com/images/_4:2f40d6de1317480188cfc754729cfe84.png)
Draw a circle of radius 4.2 cm. Draw a tangent to the circle from a point 7 cm away from the center of the circle - Geometry | Shaalaa.com
![SOLVED: Table1 do di Ho Hi f M (object) 15 cm (image) 28.2 cm 19.7 cm (object) 4.2 cm 4.2 cm (image) 7.6 cm 9.79 20 cm 4.0 cm 9.92 25 cm SOLVED: Table1 do di Ho Hi f M (object) 15 cm (image) 28.2 cm 19.7 cm (object) 4.2 cm 4.2 cm (image) 7.6 cm 9.79 20 cm 4.0 cm 9.92 25 cm](https://cdn.numerade.com/ask_images/24409f587db5416fa5e1791bf6e78b2e.jpg)
SOLVED: Table1 do di Ho Hi f M (object) 15 cm (image) 28.2 cm 19.7 cm (object) 4.2 cm 4.2 cm (image) 7.6 cm 9.79 20 cm 4.0 cm 9.92 25 cm
![Draw a circle of radius 4.2 cm . Mark its centre as O . Take a point A on the circumference of the circle. Join AO and extend it till it meets Draw a circle of radius 4.2 cm . Mark its centre as O . Take a point A on the circumference of the circle. Join AO and extend it till it meets](https://haygot.s3.amazonaws.com/questions/1751839_1823306_ans_31e0e77edef3483b9084f0f41b9aedcd.png)
Draw a circle of radius 4.2 cm . Mark its centre as O . Take a point A on the circumference of the circle. Join AO and extend it till it meets
![The circumference of a circle whose diameter is 4.2cm isa)11 cmb)22 cmc)4.2 cmd)13.2cmCorrect answer is option 'D'. Can you explain this answer? | EduRev Class 10 Question The circumference of a circle whose diameter is 4.2cm isa)11 cmb)22 cmc)4.2 cmd)13.2cmCorrect answer is option 'D'. Can you explain this answer? | EduRev Class 10 Question](https://edurev.gumlet.io/ApplicationImages/Temp/4974151_5a23b0e1-21c4-45ee-ac20-e9f9c3b80dc2_lg.png)