Answer:
For rectangle,
Perimeter=41cm
Area=72cm^2
For triangle,
Perimeter=30
Area=40
Step-by-step explanation:
For the rectangle, the perimeter is 2(L +B)
Length=16cm
Breadth=4.5cm
Perimeter=2(16+4.5)
=2(20.5)
=41cm
For the rectangle,Area= Length x breadth
=16 x 4.5= 72[tex]cm^{2}[/tex]
For the triangle, I can't see the third figure.
Just a guideline though
For the perimeter you just need to add the 3 figures together which will be 12 + 10 + 8=30
For the triangle, Area=[tex]\frac{1}{2}[/tex] x base x height
The base is 10 while the height is = 8
Area=[tex]\frac{1}{2}[/tex] x 10 x 8
=80/2
=40
