Radio Show Scripts
Polygon/Circle |P = Perimeter
C = Circumference distance around the polygon/circle |
A = Area the surface inside the boundary( perimeter) | |
|triangle | [pic] |[pic] |
|a = altitude |P = b + c + d |A = 1/2ab |
|b = base |or |Note: The area of the triangle is half the area |
| |P = s1 + s2 + s3 |of the corresponding parallelogram/rectangle. |
|quadrilateral |[pic] |don't need to memorize the formula in junior |
| |P = b + c + d + e |high |
| |or |enrichment |
| |P = s1 + s2 + s3 + s4 | |
|trapezoid | [pic] |[pic] |
|a = altitude |P = b1 + b2 + c + d |A = 1/2ab1 + 1/2ab2) |
|b = base |or |simplifies to |
| |P = s1 + s2 + s3 + s4 |A = 1/2a(b1 + b2) |
|parallelogram |[pic] |[pic] |
|a = altitude |P = 2b + 2c |A = bh
C = Circumference distance around the polygon/circle |
A = Area the surface inside the boundary( perimeter) | |
|triangle | [pic] |[pic] |
|a = altitude |P = b + c + d |A = 1/2ab |
|b = base |or |Note: The area of the triangle is half the area |
| |P = s1 + s2 + s3 |of the corresponding parallelogram/rectangle. |
|quadrilateral |[pic] |don't need to memorize the formula in junior |
| |P = b + c + d + e |high |
| |or |enrichment |
| |P = s1 + s2 + s3 + s4 | |
|trapezoid | [pic] |[pic] |
|a = altitude |P = b1 + b2 + c + d |A = 1/2ab1 + 1/2ab2) |
|b = base |or |simplifies to |
| |P = s1 + s2 + s3 + s4 |A = 1/2a(b1 + b2) |
|parallelogram |[pic] |[pic] |
|a = altitude |P = 2b + 2c |A = bh