Answer:
Step-by-step explanation:
28) Perimeter = 10 + 2 + (10 -2) + 3 + (8-2) + 1 + 8 + (1+3+2)
= 10 + 2 + 8 + 3 + 6 + 1 + 8 + 6
= 44 cm
29) Area = Area of upper block + area of middle block + area of the down block
= (10 * 2) + (2*3) + (1*8)
= 20 + 6 + 8
= 34 cm²
