Answer:
A ≈ 1385.4 cm²
Step-by-step explanation:
The area (A) of a circle is calculated as
A = πr² ( r is the radius )
= π × 21²
= π × 441
= 441π cm²
≈ 1385.4 cm² ( to 1 dec. place )
trapaziod
tbh Idek im guessing im a lil slow too... haha