Perimeter & Luas

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A B C D A C B B2D11E1 (a) Diagram below is a rectangle. State the perimeter of the diagram. Answer : AB + BC + CD + DA Or Which of the following gives the perimeter of the diagram? A AB×BC B AB + BC + CD+ DA C AB CD D AB + BC +CD B2D11E1 (b) (i) The area of triangle ABC is 35 cm². C A B 5 cm DIAGRAM 5 Find the length, in cm, of AC. (ii) The diagram below is a triangle ABC. Given the height of the triangle is 6cm.

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Transcript of Perimeter & Luas

Page 1: Perimeter & Luas

A B

CD

A

C

B

B2D11E1

(a) Diagram below is a rectangle.

State the perimeter of the diagram.

Answer : AB + BC + CD + DA

Or

Which of the following gives the perimeter of the diagram? A AB× BCB AB+BC +CD+DAC AB−CDD AB+BC +CD

B2D11E1

(b) (i) The area of triangle ABC is 35 cm². C

A B5 cm

DIAGRAM 5

Find the length, in cm, of AC.(ii) The diagram below is a triangle ABC. Given the height of the triangle is 6cm.

Find the length of AB.

Page 2: Perimeter & Luas

8cm

(iii) Given the area of the parallelogram is 48cm2. Find the height of the parallelogram.

(iv) In Diagram below, parallelogram PQRS has an area of 70 cm².

S R

10 cm

P Q

Find the length, in cm, of PQ if the height of the parallelogram is 10 cm.

(v) Diagram below shows a trapezium.

7cm

h

12 cm

Find the height, h, of the diagram if its area is 57 cm².

(vi)

Find the side, b, of the diagram if its area is 24 cm2.

5 cm

4 cm

b

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6 15 cm

B3D8E1

(a) In Diagram below, ABC is a triangle.

C

10 cm 8 cm 17 cm

A B

Find the perimeter of the diagram.

B3D8E2

(a) Diagram below is a rectangle.

10cm

5cm

Find the area in cm, of the diagram.

(b) ABC is a triangle where AB = 8 cm. A

3cm

B 8cm C

Calculate the area, in cm², of triangle ABC.

Page 4: Perimeter & Luas

(c) ABCD is a parallelogram, where AD = 8 cm and BE = 6 cm. B C

A E D

Calculate the area of parallelogram ABCD

(d) WXYZ is a trapezium.

Z 5 cm Y

W X 13 cm

Calculate the area, in cm2, of the diagram.

(e) Diagram below is made of a rectangle and a trapezium.

5 cm 12 cm

4 cm 10 cm

Find the area, in cm2, of the figure.

8 cm

Page 5: Perimeter & Luas

3 cm

4cm

8 cm

B4D8E1

(a) The area of a rectangle is 90 cm². Its length is 10 cm. Find the perimeter of the rectangle.

(b) Diagram below consists of 3 triangles.

Find the area of the figure.