Curated and Reviewed by
In this triangles worksheet, students measure and calculate the measurements of eight triangles, their sums and classify the triangles as acute, obtuse or right.
13 Views 68 Downloads
- An answer key for the worksheet is unavailable
- Folder Types
- Activities & Projects
- Graphics & Images
- Handouts & References
- Lab Resources
- Learning Games
- Lesson Plans
- Primary Sources
- Printables & Templates
- Professional Documents
- PD Courses
- Study Guides
- Performance Tasks
- Graphic Organizers
- Writing Prompts
- Constructed Response Items
- AP Test Preps
- Lesson Planet Articles
- Interactive Whiteboards
- Home Letters
- Unknown Types
- All Resource Types
- Show All
See similar resources:
Similar Triangles 1Lesson Planet
Find two similar triangles in plane sight. Given a figure composed of a parallelogram and a triangle, pupils identify two similar triangles and provide an explanation. Class members use the similar triangles to find two missing side...
9th - 12th Math CCSS: Designed
Lines of Symmetry for TrianglesLesson Planet
What can symmetry tell us about triangles? After looking at four examples, learners will come to realize that lines of symmetry are different for equilateral, isosceles, and scalene triangles. Use this guided practice activity as an...
3rd - 5th Math CCSS: Designed
Area of Diagonal Generated Triangles of Rectangle are EqualLesson Planet
Finding the area of each of the triangles that are created by drawing two diagonal lines through a rectangle is explored in this lecture. It provides a detailed explanation of how to use a formula to solve the given problem. Tip: Use...
5 mins 9th - 10th Math
Part 1 of Proof of Heron's FormulaLesson Planet
Providing the first installment in a series devoted to the exploration of Heron's Formula, this video is a high-level experience that delves into a proof using algebra. It demonstrates a step-by-step process for finding the area of a...
11 mins 9th - 12th Math
Study Jams! Area of a TriangleLesson Planet
Even though there is a wide variety of different triangles in the world, knowing a single equation allows us to find the area of each and every one of them. Follow along with this step-by-step presentation as Zoe clearly models how to...
4th - 6th Math CCSS: Adaptable
Triangle ClassificationLesson Planet
Oh triangle, where are the points that will make your type? Given a line segment, pairs determine the location of a third point to create the six different types of triangles. The teacher provides a jumping off point by leading a...
9th - 12th Math CCSS: Adaptable
Find the Area of a Right TriangleLesson Planet
Help your class develop a greater understanding of the area of a right triangle. The video starts by reviewing the area of a rectangle and noting that the rectangle is made up of two congruent triangles. Learners are then shown that in...
4 mins 5th - 7th Math CCSS: Designed