In #mathstoday 9th graders are deriving the formula for the Lateral Surface Area (LSA) of a cone #geometry #iteachmath
Writing the new coordinates of a point rotated around a circle #iteachmath #geometry
In #mathstoday we are continuing to review special right triangles and trigonometry #geometry #iteachmath
Central angles of regular polygons #iteachmath #geometry
Area of a trapezoid formula and similar triangles #geometry #iteachmath
In #mathstoday we are using special right triangles to help find exact values for sin 15 and cos 15 without a calculator #geometry #iteachmath
In #mathstoday we are reviewing some integration techniques #calculus #iteachmath
Using clinometers and #trigonometry to help calculate the height of a tree; then using the height and the trunk circumference to estimate the amount of carbon stored in the tree. #iteachmath
Alphabet relay in #geometry to brainstorm topics related to the final exam next month #iteachmath #mathstoday
In #mathstoday we are reviewing ideas related to 30-60-90 triangles and trigonometry #iteachmath #geometry
