Triangles
Math ⇒ Geometry
Triangles starts at 6 and continues till grade 12.
QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Triangles.
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See sample questions for grade 11
A triangle has angles in the ratio 2:3:4. Find the measure of each angle.
A triangle has sides of length 5 cm, 12 cm, and 13 cm. Find the area of the triangle.
A triangle has two equal sides and one different side. What type of triangle is this?
Describe the conditions under which two triangles are congruent by the Side-Angle-Side (SAS) criterion.
Explain the difference between congruent and similar triangles.
Explain why the sum of the exterior angles of any triangle is always 360 degrees.
If the base of a triangle is 10 cm and the height is 6 cm, what is its area?
If the coordinates of the vertices of a triangle are A(1,2), B(4,6), and C(7,2), calculate the area of the triangle.
If the perimeter of an equilateral triangle is 21 cm, what is the length of each side?
If two angles of a triangle are 45° and 55°, what is the third angle?
State the Cosine Rule for any triangle.
State the Sine Rule for any triangle.
