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 ?

after simplifying it i got: -36.25 as my answer. hope that !

x = ±sqrt(10)

step-by-step explanation:

5 - 2x² = -15

subtract 5 from each side

5-5 - 2x² = -15-5

-2x^2   = -20

divide by -2 on each side

-2x^2   /-2= -20/-2

x^2 =10

take the square root on each side

sqrt(x^2 )=±sqrt(10)

x = ±sqrt(10)

check:

5 - 2x² = -15

+sqrt(10)

5 - 2(sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

-sqrt(10)

5 - 2(-sqrt(10))² = -15

5 -2(10) = -15

5 -20 = -15

-15 = -15

step-by-step explanation:

where is the question is there is a formula or is there not one