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Online Quiz (Worksheet A B C D)

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MEAP Preparation - Grade 6 Mathematics
3.28 Finding the Area/Perimeter of Triangles

If a triangle has a base b units and height of h units, then
The area A is 1/2 base x height.
The perimeter is the sum of lengths of all the three sides side1 + side2 + side3.

A = 1/2 (b x h)
P = a + b + c

A triangle has a base of 3 ft and height of 5 ft. Find the area of the triangle.
Area of triangle = (b x h) / 2
Substituting the values b = 3 and height = 5
(3 x 5)/2 = 15/2
Answer: 7.5 square feet
Note: The units of area are square feet or ft2.

Directions: Find the area for the following questions. Also write at least 5 examples of your own.
Q 1: A triangle has a base of 3 cm., it's height is 3.7 cm. and the two sides are 4 cm. Find the perimeter.
12 cm.
11 cm.
10 cm.

Q 2: Find the AREA of a TRIANGLE, Base = 9 inches, Height = 6 inches

Q 3: The formula for area of a triangle with base b and height h
A = 2(b + h)
A = (b x h) / 2
A = b x h

Q 4: Find the PERIMETER of an EQUILATERAL TRIANGLE, Side = 9 inches

Q 5: In the formula A = (b x h) / 2 the h is the height of the triangle measured as perpendicular distance from the vertex opposite the base to the line containing the base.

Q 6: A triangle has a base of 6 ft., a height of 5 ft. and sides of 6 ft. Find the area of the triangle.

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Question 8: This question is available to subscribers only!

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