Math Problem Statement
Work out the area of this semicircle. Take π to be 3.142 and give your answer to 2 decimal places.
Solution
To find the area of the semicircle, follow these steps:
-
Find the radius (r):
- The diameter of the semicircle is given as 11 cm.
- Radius cm.
-
Use the area formula for a semicircle:
-
Plug in the values:
-
Calculate:
-
Round to two decimal places:
So, the area of the semicircle is approximately .
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Geometry
Area of a Circle
Decimals
Formulas
Area of a semicircle = (1/2) × π × r²
Theorems
-
Suitable Grade Level
Grades 6-8