ďfrrdrrtf5c9 ďfrrdrrtf5c9
  • 24-03-2017
  • Mathematics
contestada

What is the side length of a square with an area of 225 cm2 ? use an appropriate technique to solve .

a) 112.5 cm
b) 15 cm
c) 56.25 cm
d) 45 cm

Respuesta :

rainwatertheo
rainwatertheo rainwatertheo
  • 24-03-2017
It's B. the sides of a square have to be equal, so you can check by squaring any of the options and seeing which ones equal 225. 15 is the square root of 225. this can be expressed as 15=sqrt225
Answer Link

Otras preguntas

solving system by substitution x=3y+11, 2x-3y=16
Which of the following microscopic soil life forms is also known as a “ring worm”? arthropods bacteria nematodes protozoa
How many seconds ,4:30-5:05
Which identifies a way many enslaved workers rebelled? They caused work slowdowns. They published personal narratives They sabotaged the Underground Railroad.
Develop three research questions you could use to discover more about the Mexican-American in Chicago or the United States
Charcoal appears black in color because it A) emits black-colored light. B) has a black-colored pigment. C) absorbs all wavelengths of light that fall on it.
The 1896 Olympic games, the first world competition, saw how many events took place. A) 13 B) 43 C) 73
I want to learn Korean but the grammar is what gets me. (I know a lot of the letters) Like for example there are 3 k's and I don't understand the differences an
Identify the main idea of this paragraph
What type of technology is being used to take advantage of tidal power in New York?