Abigail B. Gonzales assists the participants in graphing various functions. PANGLAO, Bohol—Teachers need to level up their teaching techniques, especially in mathematics. To train the teachers, the ...

The radius of a circle is a line, which starts at the centre of the circle and ends on a point on the circumference. The radius is half the length of the diameter. Looking at the diagram, since OA and ...

KAYLA: It’s skatepark building day in the virtual city.Woohoo! ZACH: Did you see my 180?Sweet, dude!Okay, let’s do it. ADA: Building the skatepark is going to require lots of angles.An angle is a ...