Is 5 a solution to the equation 2x2 + 10 = 60?

Yes.

Step-by-step explanation:

Solution:

As per the problem given equation is,

(//substituting all at left)

So the value of x can be 5 and -5.

Hence one value of x can be 5 (proved).

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: