Triangle - practice for 12 year olds
Number of problems found: 281
- A triangle 8
A triangle has a base of 9.2 feet and a height of 4.8 feet. What is the area of the triangle? - Know one angle
In a right-angled triangle, the measure of an angle is 40°. Find the measure of other angles of the triangle in degrees. - Area - simple
Find the area of the triangle. So, the base is 7 2/3 mi. The height is 7 mi. What is the Area? - Two sides 2
Two sides of a triangle are 12 and 15, and the perimeter is 40. Find the other side.
- The perimeter 12
The perimeter of an equilateral triangle is 41.46 inches. If the length of each side is (q - 5.7), what is the value of q? - Angles sum 180
In triangle ABC, the measure of ∠A is 30°, and the measure of ∠C is 90°. What is the measure of ∠B? - Januka
Januka and her father were going to the tent. They found that their old tent was torn. Their mother suggested that they sew a tent whose walls would be made of 4 identical isosceles triangles. Their lower side is 2 m long, and the height is also 2 m. Then - A biker
A biker traveled from city A to city B via city C with a uniform speed of 52 km/h. He then returned directly to city A with a uniform speed of 89 km/h. Find, in minutes, the total time of his whole journey to two decimal places. City distance A from B is - A triangular
A triangular frame has sides that measure 15’-7",20’-4", and 26’-2". What is the total length of the three sides?
- Triangle
Can an equilateral triangle have a right angle? - Midpoints
Triangle whose sides are midpoints of sides of triangle ABC has a perimeter 87. How long is the perimeter of the triangle ABC? - Identical 32703
How many identical triangles do the middle bars divide the triangle ▲? - Third interior angle
Find the third interior angle of the triangle ABC where: α = 48°, γ = 65°. - 3-bracket
Maybe the largest angle in the triangle is less than 20°?
- Possible lengths
Find the possible lengths for the third side of a triangle with sides 20 and 18. - Area of RT 2
Calculate the area of a right triangle whose legs have a length of 6.2 cm and 9.8 cm. - Right triangle
Right triangle ABC with side a = 19 and the area S = 95. Calculate the length of the remaining sides. - Angles in triangle
Calculate the alpha angle in the triangle if the beta is 61 degrees and 98 gamma degrees. - QuizQ
An isosceles triangle has two sides of length 7 km and 39 km. How long is a third side?
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