WorksheetsArea and Equations
Total questions: 20
Worksheet time: 40mins
Which equation can be used to find A, the area of the parallelogram shown?
A=½ (1.8)(2.5)
A=(1.8)(2)
A=½ (2)(2.5)
A=(1.8)(2.5)
Which equation could be used to find the area of the rectangle shown?
A=½ (3.2)(7.5)
A= (3.2)(7.5)
A=(3.2)(7.5)÷2
A=3.2+7.5
A rectangular board has an area of A square inches. The width of the board is 12 inches. Which equation represents x, the length of the board in inches?
x=A÷12
x= 12 + A
x=12÷A
x =A- 2(12)
Which equation could be used to find A, the area of the triangle shown?
½(16+11)9.4
½(16)(9.4)
(16)(9.4)
½(11)(9.4)
The table shows the relationship between perimeter and area of four different squares. Which equation could be used to find A, the area of a square that has a perimeter of P units?
A= (P÷4) x (P÷4)
A=P- 4
A= (P+4) x (P+4)
A= P
A triangular shaped candy has an area of A square inches. The base of the candy is 5 inches. Which equation represents x, the height of the candy in inches?
x= 5÷A
x= A-2.5
x=½A+6
x=A÷2.5
Which equation could be used to find the area of the trapezoid shown?
A= ½(7+4)2.8
A=½(7+4)2
A=½(7+4)2.2
A=½(4)(2)
Which equation could be used to find A, the area of the triangle shown.
A=(11)(5.1)
A=½ (11+8)5.1
A= ½(11)(5.1)
A=½(11)(8)+5.1
The face of a lamp shade is shaped like a trapezoid. The dimensions of the face are shown in the diagram. Which equation could be used to find A, the area of the face of the lamp shade in square inches?
A=½(6+10)y
A=½(6+10)x
A=½(6)+(10)x
A=½(6)+(9)y
Maggie wants to find the area of the parallelogram shown. Which method could she use to correctly find the area of the parallelogram?
A=½(10)(6)
A=(10)(6)
A=(10)(7)
A=½(10+6)7
A triangle has a base length of 18cm, a height of 12cm, and a slant length of 15cm. Which of the following could be used to find A, the area of the triangle?
½ (18+12)15
½ (18)(12)
½ (18)(12)(15)
½ (15)(12)
A rectangular computer screen has an area of A, square inches. The width of the computer screen is 7 inches. Which equation represents x, the length of the computer screen in inches?
x= 7A
A=x +7
x= A/7
x= 7/A
A trapezoid has a top base of 20 inches and a bottom base of 25 inches. It has a height of 10 inches and 2 slants of 6 inches. Which equation could help you find the area of the trapezoid?
A=½(20+25)10
A= ½ (2)(6)
A= ½ (2x6)10
A= ½ (20+25)6
The equation A= ½(10+20)12 could be used to find the area of which trapezoid below?
A square has an area of A square centimeters. If the base of the square is 12 centimeters, which of the following could be used to find h, the height of the square?
h= (12+12)A
h= A/12
h= 12/A
12=A-h
Which equation below could be used to find A, the area of the parallelogram shown?
A= ½ (5+5)4
A= ½ (5)(4)
A= (5)(4)
A= (5)(5)
The face of a gold bar is shaped like a trapezoid. The dimensions of the gold bar are shown in the diagram. Which equation could be used to find A, the area of the gold bar?
A=½ (t+y)h
A= xz
A= ½ (x+z)h
A= ½(x+z)y
A triangle has a height of 5 inches, a base of 6 inches, and a lean height of 7 inches. Which of the following could be used to find the area of the triangle?
A= ½ (6 x 7)
A= ½ (6 x 5)
A= ½ (5 x 7)
A= ½ (6)(7)
A parallelogram has a height of 22 inches and a base of 36 inches. Which equation could NOT be used to find A, the area of the parallelogram?
A= (22)(36)
A= (36)(22)
A= 36 x 22
A= ½ (36)(22)
A triangle has an area of A square feet. Which of the following could be used to find A, the area of a triangle?
A = ½ bh
A= ½(b+b)h
A= bh
A=(b+b)h
