randamalik85
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

How close to North Korea is Inchon?
Sentence using "preliminary"? Please use an easy one so I can actually draw it, too :PThanks in advance :)
Jim has a box in the shape of a rectangular prism. The area of the base of the box is 48 square inches. The volume of the box is 144 cubic inches. let h= the he
The volume of a rectangular prism is 270 cubic centimeters. The height of the prism is 5 centimeters. What should the length and width of the prism be? Explain
What part of the cell produces ATP for the blueberry plant to grow? A. Mitochondrion B. Cytoplasm C. Ribosome D. Nucleus
How were chariot drivers protected in the Circus Maximus
Find the surface area of a rectangular prism with a length of 6.9mm, a width of 8.2mm, and a height of 14mm.
Serous membrane is what type? Epithelial or connective?
Write -90.85 as a mixed number in simplest form.
Sentence using "preliminary"? Please use an easy one so I can actually draw it, too :PThanks in advance :)