# In the rhombus ABCD there are segments AC and BD diagonals that intersect at point O

September 27, 2021 | education

| **In the rhombus ABCD there are segments AC and BD diagonals that intersect at point O write down the names of a) triangles with a primitive angle b) triangles with an obtuse angle c) triangles in which all angles are acute**

If in rhombus ABCD the large diagonal AC meets the diagonal BD at point O, then:

a) the following triangles are rectangular: AOB, BOC, COD and DOA – those formed by halves of diagonals intersecting at right angles;

b) triangles with an obtuse angle: ACD and ABD – one of the sides is the larger diagonal;

c) triangles in which all corners are sharp: BAD and BCD – half a rhombus, separated by a smaller diagonal.

Everything described is possible if the rhombus is not a square.

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