4d

Page 252

Q2C

Kite and Rhombus

AA = Area
xx = diagonal 1
yy = diagonal 2
A=12xyA = \frac{1}{2}xy

123.1×6.2\frac{1}{2}3.1\times6.2
A=18.12m2A=18.12m^2

Q2E

Kite and Rhombus

AA = Area
xx = diagonal 1
yy = diagonal 2
A=12xyA = \frac{1}{2}xy

1220×30\frac{1}{2}20\times30
A=600mm2A=600mm^2

Page 253

Q4

Kite and Rhombus

AA = Area
xx = diagonal 1
yy = diagonal 2
A=12xyA = \frac{1}{2}xy

1290×60\frac{1}{2}90\times60
A=5400cm2A=5400cm^2