Triangle DEF, with vertices D(-6,-7), E(-4,-3), and F(-8,-2), is drawn inside a rectangle, as shown below. What is the area, in square units, of triangle DEF?
Added by Scott C.
Close
Step 1
The base of the triangle is the distance between points E and F. We can use the distance formula to find this distance. The distance formula is given by: d = √((x2 - x1)^2 + (y2 - y1)^2) Using the coordinates of E(-8, 7) and F(-4, 3), we can substitute these Show more…
Show all steps
Your feedback will help us improve your experience
Vysakh M and 66 other Geometry educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Triangle DEF, with vertices D(2,4), E(9,3), and F(8,8), is drawn on the coordinate grid below. What is the area, in square units, of triangle DEF?
Jeremiah M.
Triangle GHI, with vertices G(6,4), H(9,7) and I(7,8), is drawn inside a rectangle, as shown below.What is the area, in square units, of triangle GHI?
Natalie B.
Triangle EFG, with vertices E(5,-9), F(6,-4), and G(2,-5), is drawn on the coordinate grid below. What is the area, in square units, of triangle EFG? Answer:
Sri K.
Recommended Textbooks
Geometry A Common Core Curriculum
Geometry
18,000,000+
Students on Numerade
Trusted by students at 8,000+ universities
Watch the video solution with this free unlock.
EMAIL
PASSWORD