Question

find the area of a triangle
a. Base = 6 cm , Hight = 4 cm
b} Base = 8 cm ,hight = 10 cm
c} Base = 12 ,Hight = 3
D }. Base= 7 cm Hight= 14
e} Base= 4 , Hight = 12

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Answer 1

Answer:

Step-by-step explanation:

                                           e) 1/2 x b x h

a) 1/2 x b x h                           1/2 x 4 x 12            

1/2 x 6 x 4 cm                           24 sq.cm

12 sq. cm

b) 1/2 x b x h

1/2 x  8 x 10

40 sq.cm

c) 1/2 x b x h

1/2 x 12 x 3

18 sq.cm

d) 1/2 x b x h

1/2 x 7 x 14

49 sq. cm

Answer 2

Given :

⬤ a) Base = 6 cm , Height = 4 cm

⬤ b) Base = 8 cm , Height = 10 cm

⬤ c) Base = 12 , Height = 3

⬤ d) Base = 7 cm , Height = 14 cm

⬤ e) Base = 4 , Height = 12

To Find :

⬤ Area of Triangle.

Formula Used :

$\bf[\:{Area \: of \: Triangle = \dfrac{1}{2} \times{b} \times{h}\:]}$

• b = base
• h = height

Solution :

a) Base = 6 cm , Height = 4 cm

According to the Formula :-

½ × b × h

½ × 6 × 4

6 × 2

= 12 cm²

b) Base = 8 cm , Height = 10 cm

According to the Formula :-

½ × b × h

½ × 8 × 10

8 × 5

= 40 cm²

c) Base = 12 , Height = 3

According to the Formula :-

½ × b × h

½ × 12 × 3

6 × 3

= 18 unit²

d) Base = 7 cm , Height = 14 cm

According to the Formula :-

½ × b × h

½ × 7 × 14

7 × 7

= 49 cm²

e) Base = 4 , Height = 12

According to the Formula :-

½ × b × h

½ × 4 × 12

2 × 12

= 24 unit²