Question

Dla wooden door, 2 m 8 cm high and 1,2 m wide has 4 glass panes fitted an
Mit Each pane is 40 cm by 20 cm. What is the area of the wood?
Hint 2 m 8 cm = 2.08 m
Area of door = 2.08 mx 1.2 m=2496 sqm
One pane is of length = 40 cm=0.4 m and breadth = 20 cm=0.2 m
Area of 4 panes = 4x04x0.2 sq cm=0.32 sq m)​

Answer 1

Answer:

Given: Base of triangle =4 cm

Height of triangle =3 × Base of triangle =3×4=12 cm

Area of triangle =

2

1

×Base×Height

=

2

1

×4×12

=24 cm

2

=24×

10000

1

m

2

[∵1 m=100 cm]

=0.0024 m

2