Find the area of an equilateral triangle of side 6 cm-A- None of theseB- 18 -3 cm 2- 9 -3 cm 2D- 12 -3 cm 2

The correct option is C 9√(3) cm^2 Area of equilateral triangle = √(3)/4 side^2 = √(3)/4 6^2 = 9√(3) cm^2 ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard VIII

Mathematics

Identifying Shapes and Areas of Different Regular Figures

Find the area...

Question

Find the area of an equilateral triangle of side 6 cm.

18 \sqrt{3}

c m^{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

9 \sqrt{3}

c m^{2}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

12 \sqrt{3}

c m^{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

None of these

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $9 \sqrt{3}$ $c m^{2}$

Area of equilateral triangle = $\frac{\sqrt{3}}{4}$ $s i d e^{2}$
= $\frac{\sqrt{3}}{4} \times 6^{2}$
= $9 \sqrt{3} c m^{2}$

Suggest Corrections

143

Similar questions

Q. Find the area of an equilateral triangle of side 6 cm.

Find the area of an equilateral triangle of side 10 cm.

The perimeter and area of the rectangle whose 12 cm long diagonal makes an angle of $30^{\circ}$ with one of its longer sides will be equal to

$Each side of an equilateral triangle measures 8 cm. The area of the triangle is (a) 8 \sqrt{3} c m^{2} (b) 16 \sqrt{3} c m^{2} (c) 32 \sqrt{3} c m^{2} (d) 48 c m^{2}$

Q. The length of each side of an equilateral triangle having an area of

9 \sqrt{3} c m^{2}

Join BYJU'S Learning Program

Find the area of an equilateral triangle of side 6 cm.

The correct option is B 9√3 cm2 Area of equilateral triangle = √34 side2 = √34×62 = 9√3cm2

The correct option is B $9 \sqrt{3}$ $c m^{2}$

Area of equilateral triangle = $\frac{\sqrt{3}}{4}$ $s i d e^{2}$
= $\frac{\sqrt{3}}{4} \times 6^{2}$
= $9 \sqrt{3} c m^{2}$