Question

09. Fill in the blanks
(i) The diameter of a circle is 14 cm. Its area
is
cm²
(ii) The diameter of a circle is 2 cm. Its area is
cm²
mm
(iii) 1 m² = _cm².
(iv) 1 cm' =
Q10. Fill in the blanks:
(i) If radius of a circle is 1 cm, then the
circumference of its semi-circle is_ cm.​

Answer 1

Step-by-step explanation:

(1). Area = πr²

Area = 22/7 × 7×7 = 154cm²

(2). Area = 22/7 ×1×1 = π cm²

(3). 1m² = 10000 cm²

(4). 1cm = 1/100 m

(1). Semi-perimeter = πr = π×1 = π cm

Please mark this as brainlist answer.