lilimarieg14 lilimarieg14

20-01-2017
Mathematics

contestada

ABCD and DECF are both squares. If AC = 28 millimeters, what is the perimeter of DECF?

Respuesta :

20-01-2017

AC is the diagonal of the square.
To find the side length use Pythagorean Theorem.
a^2 + a^2 = 28^2
2a^2 = 784
a^2 = 392
a = sqrt 392
Perimeter = 4a where a is the length of the side
P = 4Sqrt392
P = 79.2 millimeters

Answer Link

Otras preguntas

Preventative care refers to care taken to prevent future diseases rather than to treat current ones. a. True b. False

Ms. Waters, the manager of Paradise Lake, just ordered a duck and goose food dispenser. She plans to use a paper cone to hold the pellets. The machine is set to

(20 points) how do you start a letter after Dear, (name)

Hi, what are the signs of obesity?? give 4 of them, ty

How does a balance of power among nations help keep peace? 1: Its alliances prevent one country from dominating the others2: It allows a small nation to be stro

Dr. Williams saw Jerry Rhodes on May 1st at the clinic. Dr. Williams decided to admit Jerry to Healthwise Hospital on May 18th. Dr. Williams discharged Jerry Rh

Which was an effect of the Supreme Court case Plessy v. Ferguson? A) It reduced the frequency of racial violence in the South. B) It caused increased migratio

SHARKS' TEETH Langston Carter The day we found the sharks' teeth was foggy and cool. Moisture hung in the air so thick you could almost see it sparkling in the

Cultural norms influence what is perceived as proper behavior throughout a society. please select the best answer from the choices provided t f

What factors led to Robespierre’s change in philosophy? Describe factors from the text and events that were occurring during the French Revolution.