Triangle - practice for 12 year olds - page 2 of 15
Number of problems found: 281
- 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? - 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. - 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. - Altitude difference
What is a climb per mille of the hill long 4 km and the altitude difference is 6 meters? - Is right triangle or not
If right triangle ABC, have sides a=13, b=11.5, c=22.5. Find area. - Internal angles
One internal angle of the triangle JAR is 25 degrees. The difference is the size of the two others is 15°. Identify the size of these angles. - Three-fifths 80366
Calculate in cm the perimeter of a triangle with sides a, b, and c. If a is two-thirds of side b, c is three-fifths side b; b=15 cm. - Circumference 15873
The sides of the triangle are in a ratio of 3:4:6. One side of it measures 21 cm. Calculate its circumference.
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