
Understanding the Area of a Triangle Formula

Interactive Video
•
Mathematics, Science
•
8th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the vertices of the triangle discussed in the video?
X, Y, and Z
A, B, and D
P, Q, and R
A, B, and C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the traditional formula for the area of a triangle?
Base minus height
Half base times height
Base times height
Base plus height
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to eliminate the height variable in the area formula?
To simplify the formula
Because height is not always known
To match the formula with the sine function
To make the formula more complex
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which trigonometric function is used to replace the height in the area formula?
Tangent
Cosine
Sine
Secant
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final formula derived for the area of a triangle?
A = a + b + c
A = a * b * c
A = 1/2 * a * b * sin(C)
A = a^2 + b^2 + c^2
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