Question

Angle a is an obtuse angle.The measure of angle a and twice its supplementary differ by 30 degree

Answer 1

Answer:

130°

Step-by-step explanation:

The obtuse angle is a, so its supplementary angle will be (180-a)

Now, a-2(180-a)=30

=>a-360+2a=30

=>3a=30+360=390

=>a=130

So the obtuse angle is a=130°

Answer 2

Answer:

Transfer of heat through solid is called Conduction.The rate of heat is affected by the Conductivity of the material, temperature differences across the material ,area of the material and thikness of material.