W2890PR NW Handwriting 4th Class

2-D Shapes—Mathematics
Trace the names of different types of triangles.
Choose the correct definition to write next to each triangle name.
equilateral triangle:
isosceles triangle:
scalene triangle:
Definitions:
A triangle with no sides congruent (same length).
A triangle with all three sides congruent
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(of the same length) and all three angles congruent (of size 60°).
A triangle with two congruent sides and, therefore, two congruent angles.
Write your own definition for the following 2-D shapes.
pentagon:
octagon:
parallelogram:
Viewing sample
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rhombus:
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