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In a diagram shown,
PQRS is a rectangle
XY is parallel to PS
RY= 9cm
Area of PQRS = 84cm^2
Area of PXYS = 21cm^2

Work out the values of a and b
You must show all your working.

In a diagram shown PQRS is a rectangle XY is parallel to PS RY 9cm Area of PQRS 84cm2 Area of PXYS 21cm2 Work out the values of a and b You must show all your w class=

Respuesta :

kamizam38
Area of XYRY
=84-21
=63

a*9=63

/9. /9

a=7

b*7=21

/7. /7

b=3
collummarshs

Answer:

a = 7cm

b = 3cm

Step-by-step explanation:

84 - 21 = 63cm²

XYRQ = 63cm²

63 / 9 = 7cm

a = 7cm

21 / 7 = 3cm

b = 3cm

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