Triangle - 5th grade (10y) - math problems
Number of problems found: 10
Determine if it is possible to construct a triangle with sides 28 31 34 by calculation.
- An equilateral triangle
The perimeter of an equilateral triangle is 33cm. How long is each side?
- It is rectangular?
Size of two of the angles in a triangle are: α=110°, β=40°. Is it a right triangle?
Prove whether you can construct a triangle ABC, if a=9 cm, b=6 cm, c=10 cm.
- 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.
- Christmas napkins
The girls embroidered Christmas napkins. Each napkin had the shape of a triangle with sides of 5 dm, 60 cm, and 800 mm. How many cms did the girls sew if they made 15 napkins?
- Adding shapes
5 triangles + 1 square = how many sides in all
Draw angle |∠ ABC| = 130° and built its axis. What angle is between axis angle and arm of angle?
Draw a regular hexagon inscribed in a circle with radius r=8 cm. What is its perimeter?
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?
See also our trigonometric triangle calculator. See also more information on Wikipedia.