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Areas of Triangles, Parallelograms and Trapezia

In this worksheet, students find the areas of triangles, parallelograms and trapezia.

'Areas of Triangles, Parallelograms and Trapezia' worksheet

Key stage:  KS 2

Curriculum topic:  Maths and Numerical Reasoning

Curriculum subtopic:  2D Shapes: Triangles, Quadrilaterals and Polygons

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

In this worksheet, we will find the areas of triangles, parallelograms and trapezia.

You should already know the formulae for finding the areas of triangles and parallelograms.

 

Area of parallelogram = base x height

 

Area of triangle = ½ base x height

 

Area of trapezium = Average of parallel sides x height

 

Example

 

Find the area of this shape?

Area of trapezium = ½ ×(3 + 12) × 10 = 7½ x 10 = 75 sq. units

Find the area of this trapezium.

(Just write the number for the whole of this worksheet)

 

 

Find the area of this trapezium.

Find the area of this trapezium.

Find the area of this shape.

Find the area of this shape.

Find the area of this shape.

Find the area of this trapezium.

Find the area of this shape.

Find the area of this shape.

Find the area of this shape.

  • Question 1

Find the area of this trapezium.

(Just write the number for the whole of this worksheet)

 

 

CORRECT ANSWER
48
EDDIE SAYS
Area of a trapezium = 1/2 x (a + b ) x h 1/2 x (9+3) x 8
  • Question 2

Find the area of this trapezium.

CORRECT ANSWER
28
EDDIE SAYS
Area of a trapezium = 1/2 x (a + b ) x h 1/2 x (6+2) x 7
  • Question 3

Find the area of this trapezium.

CORRECT ANSWER
44
EDDIE SAYS
Area of a trapezium = 1/2 x (a + b ) x h 1/2 x (3+8) x 8
  • Question 4

Find the area of this shape.

CORRECT ANSWER
51
EDDIE SAYS
Area of a triangle = 1/2 x b x h A = 1/2 x 6 x 17
  • Question 5

Find the area of this shape.

CORRECT ANSWER
75
EDDIE SAYS
Area of a triangle = 1/2 x b x h A = 1/2 x 10 x 15
  • Question 6

Find the area of this shape.

CORRECT ANSWER
98
EDDIE SAYS
Area of a parallelogram = b x h A = 14 x 7
  • Question 7

Find the area of this trapezium.

CORRECT ANSWER
22
EDDIE SAYS
Area of a trapezium = 1/2 x (a + b ) x h 1/2 x (9+2) x 4
  • Question 8

Find the area of this shape.

CORRECT ANSWER
25
EDDIE SAYS
Area of a triangle = 1/2 x b x h A = 1/2 x 5 x 10
  • Question 9

Find the area of this shape.

CORRECT ANSWER
9
EDDIE SAYS
Area of a triangle = 1/2 x b x h A = 1/2 x 6 x 3
  • Question 10

Find the area of this shape.

CORRECT ANSWER
36
EDDIE SAYS
Area of a triangle = 1/2 x b x h A = 1/2 x 9 x 8
---- OR ----

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