(ख) अर्धव्यास 'a' भएको वृत्तको परिधि निकाल्ने सूत्र लेख । Write down the formula for finding the circumference of a
circle with radius 'a'.
( (Ans: 2tta)
ATT
10pmलालाटा
AT​

i cant undersand!

Step-by-step explanation:

(sin 42)/31. = sinx)/37

sinx = 37 (sin42)/31

= 37× 0.66/31 = 0.787

x= 51.9

other angle opposite to y = 180-51.9-42

= 180- 93.9 =86.1

so

sin42)/31 = sin 86.1)/y

0.021 = 0.997 /y

y= 0.997/0.021 =47.47

table 3 represents a direct variation function. : )