Activity 2
1 Find the lengths of the missing sides.
аг
+
b
? =
Area = 10 cm²
5 cm
Use formulae for perimeter and area
L
#
5 cm
Perimeter 18 cm
=
e
A = 81 mm² +
90
P = 30 m
230
C
A = 48 mm² 8 mm
SM
?
?
H
P = 2,1 cm
-5 mm