159 6. What will be cost in rupees of 3 - kg of twine at Rs. 1.10 per kg and 20 envelopes at Re. 0.60 per dozen ? (A) Rs. 4.80 (B) Rs. 4.85 (C) Rs. 4.90 (D) Rs. 5​

11.2

step-by-step explanation:

when doing tangent the tangent of the angle is equal to the opposite side from the angle over the adjacent side to the angle.

tan43 = x / 12

move 12 over by multiplying each side by 12

12tan43 = x

x = about 11.2

i dont understand

step-by-step explanation:

236 cm 16 time 12 = 192

6 times 7 = 42

192+42

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.