Question

could i have help with this ?

Answer 1

Answer:

1/2×(3+9)×5= area of trapezium

1/2×12×5=30cm^2

Answer 2

Answer:

The shape given is trapezium.

Area of trapezium = 1/2(a+b) × h

Where,

a,b are lengths of parallel sides

h is the perpendicular distance between the parallel lines.

So, area = 1/2(3+9)(5) = 30cm²