Perimeter & Area of a Triangle
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Wayground Content
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16 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for the area of a triangle?
Back
Area = 1/2 × base × height
2.
FLASHCARD QUESTION
Front
If the base of a triangle is 10 units and the height is 5 units, what is the area?
Back
Area = 1/2 × 10 × 5 = 25 units²
3.
FLASHCARD QUESTION
Front
What is the perimeter of a triangle?
Back
Perimeter = sum of the lengths of all three sides.
4.
FLASHCARD QUESTION
Front
If a triangle has sides of lengths 3 units, 4 units, and 5 units, what is its perimeter?
Back
Perimeter = 3 + 4 + 5 = 12 units
5.
FLASHCARD QUESTION
Front
What is the height of a triangle?
Back
The height is the perpendicular distance from the base to the opposite vertex.
6.
FLASHCARD QUESTION
Front
How do you find the area of a triangle when you know the lengths of all three sides?
Back
Use Heron's formula: Area = √[s(s-a)(s-b)(s-c)], where s = (a+b+c)/2.
7.
FLASHCARD QUESTION
Front
What is Heron's formula?
Back
Area = √[s(s-a)(s-b)(s-c)], where s = (a+b+c)/2.
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