Discussion
In the figure shown, the area of 
PQR is 40. What is the area of QRS?
*This question is included in Nova Math - Problem Set J: Geometry, question #18
PQR is 40. What is the area of QRS?
| (A) | 10 |
| (B) | ... |
| (C) | ... |
| (D) | ... |
| (E) | ... |
| (F) | ... |
The solution is
Posted: 10/25/2012 01:17
Why is the area of the smaller triangle 1/2x5x6?
Posted: 10/25/2012 01:55
Mona, that's just the formula for
calculating the area of a triangle: 1/2 * base * height.
calculating the area of a triangle: 1/2 * base * height.