Exploring the Area of Triangles in Pre Calculus
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Hard
Standards-aligned
Amelia Wright
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the basic formula for the area of a triangle?
Area = base + height
Area = 1/2 * base * height
Area = base * height
Area = (base + height) / 2
Tags
CCSS.6.G.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the height of a triangle be calculated using trigonometry?
Height = base * tan(angle)
Height = base * cos(angle)
Height = base * sin(angle)
Height = base / sin(angle)
Tags
CCSS.HSG.SRT.C.8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the context of triangle area calculation, what does 'c' typically represent?
The height of the triangle
The longest side of the triangle
The base of the triangle
An angle of the triangle
Tags
CCSS.6.G.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What new formula was introduced for calculating the area of a triangle?
Area = 1/2 * a * b * cos(c)
Area = a * b * sin(c)
Area = a * b * cos(c)
Area = 1/2 * a * b * sin(c)
Tags
CCSS.HSG.SRT.D.9
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is required to use the formula Area = 1/2 * a * b * sin(c)?
Two angles and any side of the triangle
The base and height of the triangle
Three sides of the triangle
Two sides and the angle between them
Tags
CCSS.HSG.SRT.D.9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Under what condition is Heron's formula best used?
When two sides and the included angle are known
When two angles and a side are known
When all three side lengths are known
When the base and height are known
Tags
CCSS.6.G.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the semi-perimeter of a triangle?
Divide the perimeter by 3
Add the two shortest sides and divide by 2
Multiply the longest side by 2
Add all three sides and divide by 2
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