Triangle - practice for 14 year olds
Number of problems found: 1306
- The angles
The angles in the triangle are in the ratio 12:15:9. Find the angles. - Equilateral triangle
Find the area of an equilateral triangle with a side of 15 cm. - Angles - triangle
Find the measure of the angles of the triangle ABC if: the measure of angle A is the measure of angle C and the measure of angle B =½ of the measure of angle C. - 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. - Is right triangle
Decide if the triangle XYZ is rectangular: x = 4 m, y = 6 m, z = 4 m - Right triangle
Right triangle ABC with side a = 19 and the area S = 95. Calculate the length of the remaining sides. - Circumference 47983
What is the area of an equilateral triangle with a circumference of 63 cm? - Angles
In the triangle ABC, the magnitudes of the angles α, β γ are in the ratio 0.4:1:0.9. Find their magnitudes. - Equilateral 37341
Calculate an equilateral triangle's perimeter and area with a side of 20 dm. - Triangle 16953
In the ABC triangle, the alpha angle is 36 degrees. The beta angle is twice the gamma. What is this triangle? - Iso triangle
An isosceles triangle with a base of 8 cm. Its circumference is 28 cm. Calculate the height of the triangle. - Triangle
Calculate the triangle's heights ABC if the triangle's sides are a=82, b=44, and c=53. - Triangle angles
The angles α, β, γ in triangle ABC are in the ratio 6:2:6. Calculate the size of angles. - Triangle: 5072
change the triangle in a ratio of 3:4 sides of a triangle: a = 7 cm b = 6 cm c = 5 cm - The missing angle
Find the missing angle in the triangle and then name the triangle. Angles are: 95, 2x+15, x+3 - Supported 6172
The ladder is 1.4 m from the wall and touches 3 m high. How long is the ladder? - The angles 3
The angles in a triangle are in the ratio of 3:4:5. Work out the size of each angle. - Equilateral triangle
Calculate the area of an equilateral triangle with a circumference of 72cm. - Equilateral triangle
The equilateral triangle has a 23 cm long side. Calculate its area.
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