Question

plz tell it fast.
plz​

Answer 1

Answer:

3d

4d

Step-by-step explanation:

3) 2(20+14)

=68 cm

4) 27×10

=270 m

Answer 2

Step-by-step explanation:

QUESTION 3

The boundary of mat will be the perimeter of mat, so the perimeter of mat will be the length of special cloth required.

So length of special cloth required.= 2×(l+b)

=2×(20+14)

=2×34

=68cm

QUESTION 4

HERE U NEED TO FIND AREA OF TANK

USE UR COMMON SENSE

AREA OF CUBOIDAL TANK = L×B

=27m×10m

=270m²