Q. 335.0( 2 Votes )

# The perimeter of the figure ABCDEFGHIJ is

A. 60 cm

B. 30 cm

C. 40 cm

D. 50 cm

Answer :

Perimeter = sum of sides

So, AJ + IL + IH + HG + GF + FE + DE + CD + BC + AB

⇒ (AJ + IH + GF + BC) + 3 + 5 + 2 + 20 + 4 + 6

⇒ DE + 40 [AJ + IH + GF + BC = DE]

⇒ 20 + 40

⇒ 60cm

Rate this question :

In the following figures, find the area of the shaded portions:

NCERT Mathematics

Fill in the blanks to make the statements true.

If area of a triangular piece of cardboard is 90 cm^{2}, then the length of altitude corresponding to 20 cm long base is _________cm.

A design is made up of four congruent right triangles as shown in Fig. 9.63. Find the area of the shaded portion.

NCERT - Exemplar Mathematics

Find the area enclosed by each of the following figures :

NCERT - Exemplar Mathematics

Find the area enclosed by each of the following figures :

NCERT - Exemplar Mathematics

Find the area enclosed by each of the following figures :

NCERT - Exemplar Mathematics

Find the area enclosed by each of the following figures :

NCERT - Exemplar Mathematics