Question

Find the area and the height of an equilateral triangle whose each side measures :
(i) 12 cm
(ii) 10 m
(iii) 6.4 m (Take V3 = 1.73 in each case)
london
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Answer 1

Answer:

62.28cm^2

Step-by-step explanation:

side= 12cm

area of equilateral triangle= 3^1÷3×a^2÷4

so, root 3 =1.73.

1.73×12×12÷4=62.28cm^2

Answer 2

Area =√3/4*12*12

=√3*36

=1.73*36

=62.28 cm^2

Do all rest from yourself.in same way for height use Pythagorean theorem