Topic C: The Pythagorean theorem

Topic A includes lessons 15-18 and covers Pythagorean theorem, converse of the Pythagorean theorem, distance on the coordinate plane, and applications of the Pythagorean theorem.

Finding distance with Pythagorean theorem

Distance formula

Distance between two points

Use Pythagorean theorem to find area of an isosceles triangle

Use Pythagorean theorem to find perimeter

Pythagorean theorem word problem: carpet

Pythagorean theorem word problem: fishing boat

Pythagorean theorem word problems

Pythagorean theorem in 3D

Pythagorean theorem in 3D