“Why are there 360 degrees in a circle?” A regular reader recently asked me that question. My first response was to say “Because Miss Helland told me so.” Miss Helland was my high school teacher for ...

A technician often has to sketch or design ductwork and the other parts of an HVAC system. Sometimes you have to sketch the room or building you are working with. This means working with lines, angles ...

The circumference of a circle = \(\pi d\) or \(2\pi r\). Look at the sector of the circle shown below. To calculate the length of the arc, we need to know what fraction of the circle is shown. To do ...

VO: Puss in Boots has arrived, unannounced, at Panto House. The Ugly Sisters are not impressed. Puss has been lounging on the sofa eating sugar mice, and to make things worse, his boots stink. Really ...

Here you get the CBSE Class 10 Mathematics chapter 9, Circles: NCERT Exemplar Problems and Solutions (Part-IIIB). This part of the chapter includes solutions to Question Number 6 to 10 from Exercise 9 ...