JiaThomas JiaThomas
  • 16-07-2018
  • Mathematics
contestada

the circumference of a coin is 7.42 cm. What is the area? using 3.14 for π

Respuesta :

Abhishek55
Abhishek55 Abhishek55
  • 16-07-2018
By the question,
π = 3.14
circumference = 7.42 cm
or,. 2πr. =7.42
or,. 2×3.14×r. =7.42
or,. 6.28r. =7.42
or,. r. =7.42÷6.28
∆. r. =1.18 cm
Again,
Area of circumference= πr^2
=3.14 × 1.18^2
=3.14 × 1.39
=4.37 cm^2
Answer Link

Otras preguntas

Can you help me with question 56 please? Show Work.
What is the theme for the short story "The Colomber" by Dino Buzzati?
name the geometric shape modeled by a hole in a wall
Based on a meta-analysis of almost 300 studies and about 20,000 participants by segerstrom & miller (2004), who is most likely to suffer the greatest suppre
4t+13=5 how do i do this
I need to find the midsegment. There are 4 choices which are A. 24 B. 0 C. 42 D.84
When jane, a customer of kk kids store, makes a purchase and shares valuable information about the products of the store through her facebook posts, the type of
Colonial literature
Identify the structure of the human heart that rises from the pulmonary trunk, connects to the left lung, and conveys venous blood from the heart to the lungs
Describe the influence of culture on gender formation