Learn about angles in triangles and quadrilaterals with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Sides and angles that don’t touch are described as opposite. For a right triangle, the side opposite to the right angle is called the hypotenuse (from Greek for “stretching under”). The two ...

The Pythagorean theorem, a cornerstone of mathematics for millennia, provides a method for determining unknown sides in right ...

2. Sum of two angles of a triangle is 90 o and their difference is 50 o. Find all the angles of the triangle. 3. Prove that vertically opposite are equal. 4. The angles of a triangle are in the ...

An exterior angle of a triangle is greater than either of its interior opposite angles. Students must go through the latest CBSE Syllabus for Class 9 Maths so that they can prepare according to ...

We count in base 10, but the Babylonians counted in base 60. We use base 60 too, when we're talking about time. "Ten … only has two exact fractions: half, which is 0.5, and one fifth, which is 0.2.

Learn about angles in triangles and quadrilaterals with this BBC Bitesize Maths article. For students between the ages of 11 and 14.