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