standard_description: Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side.
problem_activity: Problem 1
Blake wants to cover a page of his scrapbook with colored paper. The page measures 6 inches by 8 inches. How much colored paper does Blake need to cover the entire scrapbook page?
Problem 2
A room is 63 square feet. Its length is 9 feet. What is its width?


aligns: no