Question

The perimeter of an equilateral triangle is 12√3 cm. Find : (i) the side of the triangle. (ii) area of the triangle. (iii) height of the triangle (iv) ratio of perimeter to area. (√3 = 1.7) *​

Answer 1

Answer:

Height of an equilateral triangle =6cm

Let x be a side of triangle.

Height of the equilateral triangle =

2

3

(side)=

2

3

x.

6=

2

3

x

x=

3

12

x=

3

12

3

=6.92cm

Now,

Area of a triangle =

4

3

(side)

2

=

4

3

×6.92×6.92=20.76cm

2

Answer 2

Answer:

the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.