Day 1. Activity 2
Solve the following problems.
1) The diameter of the tambourine is 14 inches. Find the area of its surface?
2) Every time it rains, Mrs. Santos saves water in a big clay jar called "tapayan".
She covers them with a circular galvanized iron with a radius of 6 dm. What
is the area of the circular cover?
3) Cellular telephones send messages within a circular area called cell.
Suppose the cell has a radius of about 1000 m. Find the area of the cell.

please need ko na po Answer ​


Sagot :

Answer:

1. A= 3.14 × r^2

r=d/2

r=14in/2

r=7in

A=3.14 × (7in)^2

A=3.14 × 49in^2

A=153.86in^2

2. A=3.14 ×(6dm)^2

A=3.14 ×36dm^2

A=113.04dm^2

3. A=3.14 × (1000m)^2

A=3.14 × 1,000,000m^2

A= 3,140,000m^2