randamalik85 randamalik85

03-03-2022
Mathematics

contestada

A chord of length 4.2cm is 2.8cm from the center of a circle. Calculate the length of the radius of the circle.

Respuesta :

Аноним Аноним

03-03-2022

Answer:

3.5 cm

Step-by-step explanation:

Radius of circle = √(Distance from chord)² + (Half chord length)²

= √(2.8)² + (2.1)²

= √7.84 + 4.41

= √12.25

= 3.5 cm

Answer Link

Otras preguntas

Which of the sets of ordered pairs represents a function? a = {(−5, 5), (−2, 2), (2, −2), (5, −5)} b = {(4, 2), (3, −2), (9, 4), (11, −3)} only a only b both a

What is the tens fact for 14-6

Which sentence uses the correct pronoun? A. Is the author him? B. Is the author her? C. Is the author them? D. Is the author she?

explain why a straight line on shows a constant rate of change

find two numbers the quotient is between 53÷3

What wavelengths of light should be used to maximize plant growth with a minimum of energy expenditure?

Ben wants to buy a bike that costs $300. If he saved $5 a week, how long would it take him to save the $300? How long would it take if he saved $10 a week? What

30 tens minus 3 tens 3 tenths

Why did hitler hate the jews?

What is 12 5/25 in simplest form