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Do the diagonals of a trapezium cross at 90 degrees?
No.
What shapes has angles of 90 degrees?
A right angled triangle, A square, rectangle, a right trapezium, Selected versions of irregular polygons with 5 or more sides.
What is the supplementary angles of 90 degrees?
90 degrees
What is a quadrilateral with two 90 degree angles?
It could be a kite or a right trapezium.
How many acute angles are there in a rectangle?
Non!!! All four angles in a rectangle are 90 degrees. Similarly a square However, for quadrilaterals trapezium/rhombus/kite/parallelogram may have 2 acute angles
Can a trapezium have 3 right angles?
No, if a trapezium had three right angles, it would mean the fourth angle would have to be 90 degrees. That would make it a square or a rectangle.
Does a trapezium have 4 90 degrees?
No because if it did then it would be a rectangle but it does have 4 interior angles that add up to 360 degrees
A shape that has 4 sides but only 2 of the angles are 90 degrees?
Trapezium See attached link.
How many angles must measure 90 degrees in a parallelogram?
It is not a requirement that any of the angles are right angles (90 degrees), to qualify as a parallelogram.
How are acute angle and obtuse angle different?
Acute angles are angles that are less than 90 degrees. Obtuse angles are angles that are more then 90 degrees and less then 180 degrees Any angle that is 90 degrees is a right angle. == == == ==
What term applies to any angles that have a sum of 90 degrees?
They are said to be complementary angles that add up to 90 degrees
What term applies to any Two Angles That Have The Sum Of 90 Degrees?
They are complementary angles that add up to 90 degrees
Which term applies to any two angles that have a sum of 90 degrees?
Two angles that have a sum of 90 degrees are called complementary angles.
Do the diagonals of a trapezium cross at 90 degrees?
No.
Which term applies to any two angles that have sum of 90 degrees?
Two angles that add to 90 degrees are called complementary.
Are convex angles less than 90 degrees?
A convex angle is any angle of 180 degrees or less. So all angles less than 90 degrees are certainly convex angles, but so are the angles between 90 and 180 degrees.
What figures are 4 sided?
a square and a rectangle. Also: trapezium trapezoid parallelogram to have a 4-sided figure, angles don't have to be 90 degrees.
