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What is a counterexample for a square with four right angles?
A square, by definition, must have four right angles. A plane shape with 4 right angles which is not a square is a rectangle.
Does a parallelogram have four right angles?
Not necessarily. A parallelogram is a quadrilateral with 2 sets of 2 parallel sides. Only rectangles and squares have right angles as all four angles - a rectangle is a "special" parallelogram that has all four angles equal; a square is a "special" rectangle that has all four sides of equal length.
How many right angles do perpendicular lines make?
Perpendicular lines make four 90 degree angles otherwise known as right angles.
A parallelogram with four right angles is?
Rectangle and square
What is a regular quadrilateral with four right angles?
square
What is the Right angles congruence theorem?
All right angles are the same.
Why is the theorem important?
to find the angles and sides of a right traingle
What is the angle congruence theorem?
All right angles are the same
All rectangles have four right what?
Rectangles have four sides and four angles.
What is the complement theorem?
If the noncommon sides of two adjacent angles form a right angle, then the angles are complementary angles.
Why is the Pythagoras theorem important?
to find the angles and sides of a right traingle
Does a rhombus have four right angle?
A rhombus does not have four right angles. A square has four right angles, as does a rectangle.
How do you do Pythagoras theorem in square based pyramids?
There are no right angles in a square based pyramid, so Pythagoras and his theorem are not involved.
Does a rectangle have four right angles?
Yes, a rectangle has four right angles.
What has four right angles but is not a square?
A rectangle has four right angles but is not a square.
Does a square have right angles?
A square has FOUR right angles. Each corner is a right angle.
what- It follows from the Triangle Sum Theorem that the acute angles of a right triangle are?
complementary
