Congruent, in any basic math, means equal to or the same. For example, if I had to squares that were completely identical, I could say square one is congruent to square to.
Chat with our AI personalities
Probably 4th and up.
Depending on what information and grade level the following would be considered for a three dimensional cone: If the definition of a face= a flat side edge= where to faces meet vertex= where three or more faces meet then cone would have 1 face (the base), 0 edges, 0 vertices If the curriculum includes curved surfaces as faces then: cone would have 2 faces, 1 edge, 0 vertices The above was using a 4th grade Macmillan McGraw-Hill Oklahoma textbook copyright 2011.
If you mean an isosceles trapezoid with parallel sides of 18 cm and 27 cm then the length of the 4th sides is 2 cm
No because the 4th angle would have to be 90 degrees.
the 4th is Madagascar