1.

The height of an equilateral triangle of side ‘a’ units is ____ units.​

Answer»

AREA of equilateral TRIANGLE =

4

3

a

2

ALSO, area =

2

1

× base×height =

2

1

a×height

Thus,

4

3

a

2

=

2

1

a×height

Therefore, height=

2

3

a

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