Triangles
Types of exercises: angles of an isosceles triangle, the Pythagorean theorem, diagonal of a square, special points of a triangle, sides and angles of a triangle - what lies opposite what.
Exercises are drawn at random from a large bank - every click gives a different set.
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Find the length of the segment
The segment AD is a median of triangle ABC (D is the midpoint of side BC), and S is the centroid of the triangle. |SD| = 2 cm. How long is the segment AS?
Compute the length
A square has a side of 24 cm. How long is its diagonal?
Compute the length
The legs of a right triangle are 45 cm and 60 cm. How long is the hypotenuse?
Give the measure of the angle
In an isosceles triangle a base angle measures 83.5 degrees. What is the apex angle?
Choose the angle of the triangle
In triangle ABC: |AB| = 8 cm, |BC| = 17 cm, |AC| = 19 cm. Which angle of the triangle is the largest?
Choose where the point lies
Where does the orthocentre of an acute triangle lie?
Compute the length
A square has a diagonal of 56√2 cm. How long is its side?
Compute the length
In a right triangle the hypotenuse is 12 cm and one leg is 1 cm. How long is the other leg?
Give the measure of the angle
In an isosceles triangle the apex angle measures 140 degrees. What is a base angle?
Choose the side of the triangle
In triangle ABC the angle at vertex C is 76° and the angle at vertex B is 58°. Which side of the triangle is the longest?
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