Ok so to solve to first one u do this:
62.4 - 31.53, which gives u 30.87. and then u add 30.87 and 31.33, and u get 62.4
for the second one u do the same thing.
Answer:
you maybe can install app photomath
angle a + angle b + angle c = 180° (angle sum property of triangle)
110°+35°+angle c=180°
165°+ angle c = 180°
angle c = 180°-165°
angle c = 15°
False we can drink more water for sure i drink about 15 a day