Chapter 10: Q3. (page 380)
A parallelogram with congruent diagonal is a ______.
Short Answer
Rectangle.
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Chapter 10: Q3. (page 380)
A parallelogram with congruent diagonal is a ______.
Rectangle.
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On your paper draw figures roughly like those shown. Use them in constructing the figures described in Exercise .

An isosceles triangle with a vertex angle of and base of length .
Draw any large and construct equilateral triangles on each of the sides as shown.

Draw any obtuse . Use the method to construct a triangle congruent to .
Draw any .
Construct so that .
Using and as centers, and a radius equal to draw arcs that intersect. Label the point of intersection .
Draw and .
What kind of triangle is
How to carry out the construction of the circle?
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