8.G.7

Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.

1. Oh...Sunny Day! - perimeter of a circle; pythagoras
2. Comfy Corner - perimeter of a right-angled triangle; Pythagoras
3. Triangular numbers: Calculate lengths using triangle ratios
4. Triangular numbers: Calculate lengths using triangle ratios