Practice problems of the triangle - page 4 of 117
A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. The sum of the measures of the interior angles of a triangle is always 180 degrees. An exterior angle of a triangle is an angle that is a linear pair (and hence supplementary) to an interior angle. The best known area formula is T = a*h /2 where a is the length of the side of the triangle, and h is the height or altitude of the triangle.Number of problems found: 2321
- Midpoints
Triangle whose sides are midpoints of sides of triangle ABC has a perimeter 87. How long is the perimeter of the triangle ABC? - The perimeter
The perimeter of the triangle is 24, and the sides are integers and form an arithmetic sequence. Specify the side sizes of this triangle. - Equilateral triangle
Find the area of an equilateral triangle with a side of 15 cm. - Euclid2
The ABC right triangle with a right angle at C is side a=29 and height v=17. Calculate the perimeter of the triangle. - Identical 32703
How many identical triangles do the middle bars divide the triangle ▲? - An isosceles 2
An isosceles triangular frame has a measure of 72 meters on its legs and 18 meters on its base. Find the perimeter of the frame. - Third interior angle
Find the third interior angle of the triangle ABC where: α = 48°, γ = 65°. - Scalene triangle
Solve the triangle: A = 50°, b = 13, c = 6 - Angle
Draw angle |∠ ABC| = 30° and build its axis. What angle is between the axis angle and arm of angle? - Isosceles triangle
Calculate the perimeter of the isosceles triangle with arm length 87 cm and base length of 95 cm. - Calculate 4013
In a triangle, one internal angle measures 36 degrees. The second angle is twice the third angle. Calculate unknown angles. - Catheti
The hypotenuse of a right triangle is 41, and the sum of legs is 49. Calculate the length of its legs. - Angle
Determine the size of the smallest internal angle of a right triangle which angles forming the successive members of the arithmetic sequence. - 3-bracket 2
Maybe the smallest angle in the triangle is greater than 70°? - 3-bracket
Maybe the largest angle in the triangle is less than 20°? - Hypotenuse 82331
Given a right triangle KLM with a right angle at M. What is the magnitude of the hypotenuse m if the magnitude of the normal to the hypotenuse m is 4? - Triangle 36091
Decide if the triangle is right (sides 5,11,7, cm) - Isosceles triangle
Calculate the area of an isosceles triangle, the base measuring 16 cm and the arms 10 cm. - Possible lengths
Find the possible lengths for the third side of a triangle with sides 20 and 18. - An equilateral triangle
The perimeter of an equilateral triangle is 33cm. How long is each side?
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