hamburger menu
All Coursesall course arrow
adda247
reward-icon
adda247
    arrow
    arrow
    arrow
    The height of an equilateral triangle is 9 √3 cm. What is the area of this equilateral triangle?
    Question

    The height of an equilateral triangle is 9 √3 cm. What is the area of this equilateral triangle?

    A.

    92√3 cm²

    B.

    67 √3 cm²

    C.

    49 √3 cm²

    D.

    81√3 cm²

    Correct option is D

    Given: 
    Height of Equilateral triangle = 93 cm9\sqrt3 \, cm 
    Formula Used: 
    For equilateral triangle 
    Side = 23×height\frac{2}{\sqrt3} \times \text{height} 
    Area = 34×side2\frac{\sqrt3}{4}\times \text{side}^2 
    Solution:

    Free Tests

    Free
    Must Attempt

    SSC CGL T-I Similar Paper (Held on 12 Sep 2025 S2)

    languageIcon English
    • pdpQsnIcon100 Questions
    • pdpsheetsIcon200 Marks
    • timerIcon60 Mins
    languageIcon English
    Free
    Must Attempt

    SSC CGL T-I GA Section Test 01

    languageIcon English
    • pdpQsnIcon25 Questions
    • pdpsheetsIcon50 Marks
    • timerIcon15 Mins
    languageIcon English
    Free
    Must Attempt

    SSC CGL T-I Full Mock Test 1 (Exam Level)

    languageIcon English
    • pdpQsnIcon100 Questions
    • pdpsheetsIcon200 Marks
    • timerIcon60 Mins
    languageIcon English
    test-prime-package

    Access ‘SSC CGL Tier I’ Mock Tests with

    • 60000+ Mocks and Previous Year Papers
    • Unlimited Re-Attempts
    • Personalised Report Card
    • 500% Refund on Final Selection
    • Largest Community
    students-icon
    383k+ students have already unlocked exclusive benefits with Test Prime!
    Our Plans
    Monthsup-arrow