Practice Page
Directions: Grab a paper and pencil to make your computations.

1.
ΔDEF has vertices D(-2,-2), E(-1,3) and F(3,-2). Find the area of ΔDEF in square units.

Choose:
10
12½
25
30
grid44

 

 

2.
Trapezoid MATH has vertices
M(2,1), A(0,6), T(8,6) and H(6,1). Find the area of the trapezoid in square units.

Choose:
15
22
30
60
grid18trap

 

 

3.
The graph at the right is a scale drawing of a sign, in the shape of a triangle.
      One unit length, key, = 3 feet.
Find the actual area, in square feet, of the sign.

Choose:
21
42
189
378
grid18yellow

 

 

4.
ΔABC has vertices A(1,1), B(7,4) and C(3,7). The triangle is shown inside of a rectangle. Find the area of ΔABC in square units.

Choose:
36
24
18
15
graphbluetri

 

 

5.
ΔCAT has vertices C(-3,1), A(1,3) and T(3,-2). The triangle is shown inside of a rectangle. Find the area of ΔCAT in square units.

Choose:
8
9
12
20
grid55green

 

 

6.
The diagram at the right shows an isosceles trapezoid with a shaded isosceles triangle in its interior.
      square unit = one square unit
a) What is the area of the trapezoid, in square units?
Choose:
20 sq. units
25 sq. units
30 sq. units
50 sq. units

trapdot
b) What fraction of the trapezoid is the shaded isosceles triangle?
Choose:
13
25
12
35

 

 

7.
Find the area of ΔDOG, in square units.

Choose:
42
24
15
14
gridredtri

 

 

8.
Parallelogram ACDF is shown at the right. ΔBCE is drawn.
      square unit = one square unit

a) What is the area of the parallelogram, in square units?

Choose:
24 sq. units
28 sq. units
36 sq. units
48 sq. units
graphpinkDots
b) What fraction of the parallelogram is the shaded triangle?
Choose:
18
14
13
12

 

 

9.
The vertices of ABCD are A(-4,-2), B(-2,2), C(2,4) and D(4,-3). Find the area of ABCD, in square units.

Choose:
112
56
47
33
oddyellow  

 

 

10.
The graph at the right is a scale drawing of the background for an advertising poster.
   One unit length, key, = 4 inches.
Find the number of square inches of fabric that will be needed to cover this background.

Choose:
53
212
848
2368
grid

 

 

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