4th Grade Triangles
4th Grade Angles
4th Grade Shapes
Review Questions
100
What is a triangle with 3 acute angles called?
Acute triangle.
100
What type of angle is 90 degrees?
Right Angle
100
What type of angles are in the corners of a rectangle ALWAYS?
right angles
100
What is a line of symmetry?
A line that cuts a shape in half so that each side is a mirror of the other side.
200
What is a triangle with no equal sides called?
Scalene Triangle
200
Angle MORE than 90 degrees
Obtuse angle
200
Two lines that never cross (touch) are called _________.
Parallel Lines
200
Classify this triangle based on its sides and angles.
Obtuse Isosceles
300
What is this triangle called? 
Acute Triangle
300
An angle LESS than 90 degrees
acute angle
300
A shape with 4 sides
quadrilateral
300
How many lines of symmetry does a circle have?
infinite
400
A triangle that has all three sides that are equal
Equilateral Triangle
400
An angle that is 180 degrees
straight angle
400
Two lines that intersect at an angle of 90 degrees are called _______.
Perpendicular Lines
400
a= 140
b= 40
c= 140
500
What type of triangles are shown in the pattern?
Right Triangles
500
Name one angle that is represented by the picture.
Answers Vary:
Examples - CAP, BRP, DAR, QRP
500
A shape that has two sets of parallel lines
parallelogram
500
Hudson drew a triangle with one right angle and sides that measure 6cm, 8cm, and 10cm. Draw the shape and classify the type of triangle.
Right Scalene Triangle