Compare the original trapezoid and the enlarged trapezoid.

What is the perimeter of trapezoid ABCD?

A

4 cm

B

2 cm

What is the perimeter of trapezoid WXYZ?

2 cm

C

D

5 cm

w

10 cm

х

What is the scale factor for this enlargement?

5 cm

Z

Side

Length

4 cm

10 cm

Side

Length

2 cm

5 cm

5 cm

Y

12.5 cm

Side Side

Perimeter

Length Length

2 cm 5 cm 2

5 cm 12.5 cm ?

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.