shaniquahayles590 shaniquahayles590

14-09-2021
Mathematics

contestada

a triangle with an area of 7cm² undergoes an enlargement and the new area is 63cm². What is tje scale factor of the enlargement.?

Respuesta :

musiclover10045 musiclover10045

14-09-2021

New area / old area = 63/7 = 9

The actual area increased 9 times.

Area is a squared value, so the scale factor would be the square root of the increase.

Scale = sqrt(9)

Scale factor is 3

Answer Link

Otras preguntas

All of the following are true of carbon except which of the following? a. Carbon is the major component of inorganic molecules. b. Carbon is ranked seventeent

____ remove water and salts like urea to the skin's surface. a. Urethra b. Sweat glands c. Kidneys d. Hormones

In part I of "Ode to the West Wind," the speaker suggests that the west wind a. kills seeds. c. enchants seeds. b. ignores seeds. d. preserves seeds.

Which type of doctor treats the largest range of ailments? a. anesthesiologist b. neurologist c. pediatrician d. psychiatrist

Find the surface area and volume of a cube with sides of 5.5 cm each.

56 in a a ratio of 4:3

Which has a mismatch between subject and modifier? As I was ducking under an awning, the heavy rain caught me without a coat or an umbrella. Ducking under an

Whales have what seem like remnants of a pelvis and femur, as shown here. What are these structures an example of?

• The Thirteenth Amendment • The Fourteenth Amendment • The Fifteenth Amendment The three items listed above are called the Reconstruction Amendments. What was

solve the simultaneous equation, 5x=2y+1 2x-3y+4+0