Geometry High School

Any equilateral triangle has

• a right-angle

• a hypotenuse

• all its sides in the same size

• a circumscribed quadrilateral

Two triangles are similar if

• two sides are the same

• the ratio of two sides is the same

• two ratio od all the three sides are equal

• they both have a rigth-angle

The radius of a circle is 4 cm. How much is half of the perimeter of the circle?

• 11,5 cm

• 25,13 cm

• 9,46 cm

• 12,57 cm

Thales's theorem applies to

• equilateral triangles

• right-angled triangles

• isosceles triangles

• general triangles

The height theorem applies to

• equilateral triangles

• right-angled triangles

• general triangles

• isosceles triangles

The side of a cube is 2 cm. The side of another cube is 4 cm. That is the ratio of the volumes of these cubes?

• 2:4

• 4:16

• 8:64

• 1:2

If we connect two points on the circumference of the circle with a straight line, we get

• a radius

• a sector

• a chord

• a tangent line

A midsegment is ..... the opposite side.

• parallel to

• on

• equal to

• parallel to and half of

The cente of the circumscribed circle in any triangle is the intersection of the

• median lines

• heights

• angle bisectors

• perpendicular side bisectors

The leg theorem canbe applied in

• quadrilaterals

• isosceles triangles

• triangles

• right-angled triangles