Question

An exterior angle of a triangle measures 110 degree and its interior opposite angles are in the ratio 2:3. Find the angles of the triangle.

Answer 1

Given the exterior angle of a triangle measure 110 degrees.

Given the interior angles are in the ratio 2x and 3x.

We know that sum of interior angles = 180.

           2x + 3x = 180

              5x = 180

                x = 36.


Then 2x = 72 and 3x = 108.


The angles are 36,72 and 108.

Hope this helps!

Answer 2

Answer:

u = (6 i + 8 j)

|u| = (6^2 + 8^2)^1/2 = 10 m/s

So,

ux = 6 m/s

uy = 8 m/s

Angle of projection is θ (say).

tan θ = uy/ux = 8/6

Now, range R = u^2sin( 2θ)/g =2u^2sinθcosθ/g= 2×100×6/10×8/10×1/10=9.6m

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Step-by-step explanation: