Triangle - practice for 12 year olds - page 2 of 16
Number of problems found: 304
- Calculate 46541
Calculate the perimeter and the area of a right triangle if a = 6 cm, b = 8 cm, c = 10 cm. - A triangle 2
A triangle has a base of 2 inches and a height of 2 3/4 inches. What is the area of the triangle? - Area of a triangle
What is the area of a triangle that has a base of 4 1/4 and a height of 3 3/3? - Type of triangle
How do I find the triangle type if the angle ratio is 2:3:7?
- Calculate
Calculate the area of the ABE triangle AB = 38mm and height E = 42mm Ps: please try a quick calculation - Triangle angles
The angles α, β, γ in triangle ABC are in the ratio 6:2:6. Calculate the size of angles. - Complementary angles 2
Two complementary angles are (x+4) and (2x - 7). Find the value of x. - Calculate 83265
Calculate the area of a right-angled triangle ABC with a=15 cm, b=1.7 dm. - Broken tree
The tree is broken at 4 meters above the ground. The top of the tree touches the ground at a distance of 5 meters from the trunk. Calculate the original height of the tree.
- 3-bracket 3
Two angles in a triangle are 90° and 60°. Has the triangle at least two equal sides? - Calculate 3292
The perimeter of the isosceles triangle is 32 cm. The base is 2 cm longer than the shoulder. Calculate the sides of the triangle. - Triangle 3187
In a general triangle, the aspect ratio a: b = 2:3. What is the ratio of heights va: vb? - Triangle radians
The size of two internal angles of a triangle ABC is α=6/18π and β=7/18π. Calculate the size of the third angle. - It is rectangular?
The size of two of the angles in a triangle is α=110°, β=40°. Is it a right triangle?
- Triangles
An equilateral triangle with a side 16 cm has the same perimeter as an isosceles triangle with an arm of 23 cm. Calculate the base x of an isosceles triangle. - Isosceles 65784
An isosceles triangle has an angle of 78°20' at the base. Calculate the size of the angle between the arms. - Determine 39503
In a right triangle, one acute angle is 20° smaller than the other. Determine the size of the interior angles in the triangle. - The perimeter
The triangle has one side 5 cm long and another 11 cm long. What can be the smallest, and what is the largest perimeter? - Interior angles
Calculate the interior angles of a triangle that are in the ratio 2:3:4.
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