Match the solid figure to the appropriate formula. 1. a = 1/4s squared, square root of 3 2. a = bh 3. a = pi(r) squared 4. a = 1/2 h (b1+ b2) 5. c = pi(d) 6. a = base x altitude 7. a = 1/2(ap) 8. a = 1/2(bh) - regular polygon - trapezoid - rectangle - parallelogram - circle circumference - equilateral triangle - circle area

1. A = 1/4s squared, square root of 3      equilateral triangle
2. A = bh                                                  rectangle  
3. A = pi(r) squared                                  circle area 
4. A = 1/2 h (b1+ b2)                                trapezoid
5. C = pi(d)                                               circle circumference 
6. A = base x altitude                               parallelogram
7. A = 1/2(ap)                                           regular polygon
8. A = 1/2(bh)                                           triangle

- regular polygon
- trapezoid
- parallelogram
- circle circumference
- equilateral triangle
- circle area