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  • Triangles
  • Triangle formulas

Triangle formulas

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  • Question 1:
    1 pts
    		Find the area of the triangle shown on the picture.
    Area $=$
  • Question 2:
    1 pts
    		Find the perimeter of the equilateral triangle if his sides has length $5cm.$
    $8cm$
    $15cm$
    $2cm$
    none of these
  • Question 3:
    1 pts
    		The sum of the lengths of any two sides of a triangle is greater than the length of the third side.
  • Question 4:
    1 pts
    		Find the area of a triangle shown on the picture.
    Area $=$
  • Question 5:
    2 pts
    		Two sides of a triangle are 3 and 15 centimeters. The perimeter is 27 centimeters. Find the third side.
    $8cm$
    $9cm$
    $10cm$
    $11cm$
  • Question 6:
    2 pts
    		Find the area of an equilateral triangle with sides of length 20 inches.
  • Question 7:
    2 pts
    		The area of triangle is given. Find the length of the base.
    Base $=$
  • Question 8:
    3 pts
    		What is the area of the triangle shown on the picture?
    $7cm^{2}$
    $5cm^{2}$
    $10cm^{2}$
    $35cm^{2}$
  • Question 9:
    3 pts
    		The triangle shows all three of its medians drawn. If $MR=39cm,$ find $CR.$
    $CR=$
  • Question 10:
    3 pts
    		We can find the area of the right triangle if we know the length of hypotenuse and one leg.
  • Question 11:
    3 pts
    		The triangle shows all three of its medians drawn. Find $x$ if $CS=4x+14$ and $KS=13x+5.$
    $x=35$
    $x=36$
    $x=37$
    $x=38$

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