# Right triangle - 6th grade (11y) - examples

1. It is rectangular?
Size of two of the angles in a triangle are: α=110°, β=40°. Is it a right triangle?
2. Similarity
Are two right triangles similar to each other if the first one has a acute angle 70° and second one has acute angle 20°?
3. Triangle
Can be rectangular triangle equilateral?
4. Task
I have homework. The cube has an edge 7 cm long and I must find wall and body diagonal.
5. Triangle P2
Can triangle have two right angles?
6. Area of RT 2
Calculate the area of right triangle whose legs have a length 5.8 cm and 5.8 cm.
7. Right triangle
Right triangle legs has lengths 630 mm and 411 dm. Calculate the area of this triangle.
8. Perpendicular prism
Calculate the volume of the perpendicular prism if its height is 60.8 cm and the base is a rectangular triangle with 40.4 cm and 43 cm legs.

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