Triangle - practice for 13 year olds - page 4 of 56
Number of problems found: 1111
- Right isosceles triangle
What can be the area of a right isosceles triangle with a side length of 8 cm? - An angle
An angle x is opposite side AB which is 10, and side AC is 15, which is the hypotenuse side in triangle ABC. Calculate angle x. - Acute angles
Sizes of acute angles in the right-angled triangle are in the ratio 1:3. What is the size of the larger of them? - Cosine
The point (3, 4) is on the terminal side of angle θ. cos θ = ...
- Median
The median of the triangle NOP is away from vertex P 95 cm. Calculate the length of the median, which start at P. - Different 42191
How many different triangles with vertices formed by points A, B, C, D, E, and F can we create? - Ladder 35331
The ladder is 13 m long, and its lower part is 5 m away from the wall. How high does the ladder reach? - Distance 7717
To what height does a 6.5 m long ladder leaning against a wall at a distance of 5.4 m reach? - The sides 3
The sides of an equilateral triangle are 9.4 cm, correct to the nearest decimal place. Work out the upper bound of the side of this triangle.
- The second
The second angle of a triangle is the same size as the first angle. The third angle is 12 degrees larger than the first angle. How large are the angles? - Road
The angle of a straight road is approximately 12 degrees. Determine the percentage of this road. - Trigonometric 50551
Solve the trigonometric equation: cos (x-52°) = 1 - Calculation 18413
What is the length of the cathetus of an isosceles right triangle with an 8 cm long hypotenuse? Make calculations and procedures. - 'Calculate 6224
Right triangle. Given: side c = 15.8 and angle alpha = 73°10'. Calculate side a, b, angle beta, and an area.
- Right-angled 3511
In a right-angled triangle at vertex C, the alpha angle is 24 degrees smaller than the beta angle to determine the size of the triangle angles. - Interior angles
Calculate the interior angles of a triangle that are in the ratio 2:3:4. - Right angle
If a, b and c are two sides of a triangle ABC, a right angle in A, find the value on each missing side. If b=10, c=6 - 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.
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