# Triangle - 5th grade (10y) - examples

- It is rectangular?

Size of two of the angles in a triangle are: α=110°, β=40°. Is it a right triangle? - Hexagon

Draw a regular hexagon inscribed in a circle with radius r=8 cm. What is its perimeter? - Triangle

Prove whether you can construct a triangle ABC, if a=9 cm, b=10 cm, c=4 cm. - Angle

Draw angle |∠ ABC| = 130° and built its axis. What angle is between axis angle and arm of angle? - Triangle

Determine if it is possible to construct a triangle with sides 28 31 34 by calculation. - Triangle ABC

In a triangle ABC side b measure 10 cm less than the side a and side b is half of the side c. Calculate the length of sides if the circumference of the triangle is 42 cm. - Triangles

Ivo wants to draw all the triangles whose two sides of which have a length of 4 cm and 9 cm and the length of the third side is expressed in whole centimeters. How many triangles does he have? - Adding shapes

5 triangles + 1 square = how many sides in all

We apologize, but in this category are not a lot of examples.

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See also our trigonometric triangle calculator. See also more information on Wikipedia.