Each side of an equilateral triangle is 8 cm- Its altitude isa 22 cmb 23 cmc 43 cmd 26 cm

(c) 43 #160;cm Height=32 #215;Side=32 #215;8=43 #160;cm ...

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Standard IX

Mathematics

Perimeter of Triangle

Each side of ...

Question

Each side of an equilateral triangle is 8 cm. Its altitude is
(a) $2 \sqrt{2} cm$
(b) $2 \sqrt{3} cm$
(c) $4 \sqrt{3} cm$
(d) $2 \sqrt{6} cm$

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Solution

(c) $4 \sqrt{3} cm$

$Height = \frac{\sqrt{3}}{2} \times Side = \frac{\sqrt{3}}{2} \times 8 = 4 \sqrt{3} cm$

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Similar questions

The length of each side of an equilateral triangle is $2 \sqrt{3} cm$ . Its altitude is
(a) $\frac{3}{2}$ cm
(b) 3 cm
(c) $\frac{\sqrt{3}}{4}$ cm
(d) $\frac{\sqrt{3}}{2}$ cm

Q. The altitude of an equilateral triangle of side 8 cm is __________.

Q. Each side of an equilateral triangle is 8 cm. Its area is
(a) 24 cm²
(b)

24 \sqrt{3} {cm}^{2}

(c)

16 \sqrt{3} {cm}^{2}

(d)

8 \sqrt{3} {cm}^{2}

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. Its perimeter is
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(b) 12 cm
(c)

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Q. Find the altitude of an equilateral triangle of side

8 c m

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Each side of an equilateral triangle is 8 cm. Its altitude is (a) 22 cm (b) 23 cm (c) 43 cm (d) 26 cm

(c) 43 cm Height=32×Side=32×8=43 cm

Each side of an equilateral triangle is 8 cm. Its altitude is
(a) $2 \sqrt{2} cm$
(b) $2 \sqrt{3} cm$
(c) $4 \sqrt{3} cm$
(d) $2 \sqrt{6} cm$

(c) $4 \sqrt{3} cm$

$Height = \frac{\sqrt{3}}{2} \times Side = \frac{\sqrt{3}}{2} \times 8 = 4 \sqrt{3} cm$