Everything Maths Grade 10

h)

15 cm

9 cm 21 cm

16 cm

2. a)Find an expression for the area of this figure in terms ofzand. The circle has a radius of 3 z 2.
   Write your answer in expanded form (not factorised).

 3 z  2

b)Find an expression for the area of this figure in terms ofzandh. The height of the figure ish, and

two sides are labelled as 3 z 2 andz. Write your answer in expanded form (not factorised).

z

 3 z 2

h

3. a)Find an expression for the area of this figure in terms ofxand. The circle has a radius ofx+ 4.
   Write your answer in expanded form (not factorised).

x+4

b)Find an expression for the area of this figure in terms ofxandh. The height of the figure ish, and

two sides are labelled asx+ 4and 3 x. Write your answer in expanded form (not factorised).

 3 x

x+4

h

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1a.2GRP 1b.2GRQ 1c.2GRR 1d.2GRS 1e.2GRT 1f.2GRV

1g.2GRW 1h.2GRX 2.2GRY 3.2GRZ

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Chapter 13. Measurements 419