Question

Find the perimeter of each of the following shapes:
(a) A triangle of sides 12 cm, 5 cm and 13 cm.
(b) An equilateral triangle of side 8 cm.
(c) An isosceles triangle with equal sides 4 cm each and third side 3 cm.
(d) An square of side 10 cm
(e) An rectangle of side 11,10 cm
(f) triangle with sides measuring 10 cm, 14 cm and 15 cm.
(g) Regular hexagon of side 8 cm
(h) Regular pentagon of side 5 cm

Answer 1

Answer:

a)30 cm

b)24 cm

c)11 cm

d)40 cm

e)42 cm

f)39 cm

g)48 cm

h)25 cm

Step-by-step explanation:

a)12+5+13=30

b)8×3=24

Note triangle has 3 sides....so we MULTIPLY it by 3

c)4×2+3=11

isosceles triangle has 2 sides equal

d)10×4=40

square has 4 sides

all sides are equal in square

e)formula 2×(l×b)

2×(11+10)

f)10+14+15=39

g)hexagon 6 sides

8×6=48

h)Pentagon 5 sides

5×5=25

HOPE YOU GOT THE ANSWER

HOPE YOU GOT THE ANSWER MARK ME THE BRAINLIEST

Answer 2

Answer:

a 30cm

b.24cm

c 11cm

d 40cm

e2×(L+B)

=2×(11+10)

=2×(21+2)

=42cm

f 39cm

g 48cm

h 25cm