Find the Surface Area of the Triangle
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In this geometry worksheet, learners are asked to solve for the surface area of a triangle and a trapezoid. They are fiven the height and base. There are 2 questions with an answer key.
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Discovering the Formula for the Area of a Triangle
Most high schoolers are very familiar with the area of the triangle being equal to 1/2 base times the height. Here, they will develop and test their formula for the area of a triangle when given two adjacent sides and the included angle....
9th - 11th Math CCSS: Designed
Surface Area of Prisms
Create a solid understanding of the concept of surface area. Building from the previous lesson in the series, the instructor demonstrates how to apply a formula to find the surface area of a rectangular prism. Examples use the formula to...
7 mins 9th - 12th Math CCSS: Adaptable
New Review Surface Area of Pyramids and Cones
Discover formulas for surface area by analyzing nets. Using graph paper and nets, young scholars work toward deriving the formulas. They first derive the formula for a pyramid and then connect their processes to finding a formula for cones.
9th - 12th Math CCSS: Designed
How Do You Find the Lateral and Surface Areas of a Cone?
The lateral surface area of a cone. Hmmm, what does that mean? Oh, it means the part you see if the cone was sitting on a flat surface, so it does not include the base. But if you want to include the base then it would be finding the...
5 mins 7th - 10th Math
How Do You Find the Surface Area of a Sphere?
What do a basketball, a bowling ball, and a ping pong ball all have in common? They are spheres. So how do you measure the surface area of a sphere? Yes, there is a formula and all you have to do is know one measurement of the sphere to...
3 mins 6th - 12th Math