# 3 Act Math Tasks

## Organized by the Common Core States Standard (CCSS) Initiative

**Not Common Core? Go to Ontario Curriculum alignment**

# Geometry

## G-C.8

**Overall Expectation Description:**

## G-C.8 – High School: Geometry

Similarity, Right Triangles, & Trigonometry: Define trigonometric ratios and solve problems involving right trianglesUse trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.

## Related 3 Act Math Tasks:

## Big Nickel

### Would it be cheaper to build it using nickels?

**Shared By:**

Andrew Stadel

Cathy Yenca

Dan Meyer

Kyle Pearce

**Math Topic:**

Proportional Reasoning, Volume, Problem Solving

**Common Core State Standard Alignment:**