👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a ...

👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a ...

Pythagoras' theorem close Pythagoras' theoremPythagoras's theorem applies to right-angled triangles. The area of the square drawn on the hypotenuse is equal to the sum of the squares drawn on the ...

Click to explore refreshed revision resources for GCSE Maths: Calculating the length of a line segment, with step-by-step slideshows, quizzes, practice exam questions, and more! Pythagoras' theorem ...