17.
18.
The perimeter of a sector of a circle is equal to the length of the arc of a semi-
circle having the same radius, then the angle of sector is/are
(A) 140°32'44" (B) 65°27'16'' (C) (1-2)
(D) (1 - 3)
Assuming that a person of normal sight can read print at such a distance that
the letters subtend an angle of 5’at his eye, then the height of letters that he
can read a distance of 12 m is/are
472
ST
(A) 1.7 cm (B) 2.7 cm (C) cm (D)
9
9
cm
plz answer fast urjent
Answers
Answered by
0
Answer:
the awser is D
Similar questions