One angle of an isosceles triangle is known to be 68°. What would be one of the other angles?

The answer would be 56.

Step-by-step explanation: Knowing that the one angle is 68 degrees, you can tell that the missing angles would collectively leave 112 degrees.

Since it is an Isosceles triangle, it has 2 angles of equal size therefore leaving the leftover angles as 56 and 56.

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answer: option a.

step-by-step explanation:

you know that the quadrilateral opqr ( a four sided figure) is inscribed in circle. this means that all its vertices are on the circle.

then, by definition, the opposite angles of the quadrilateral are supplementary, this means that the sum of their measures is 180 degrees.

you can observe in the figure that the angles ∠opq   and the angle ∠orq   are opposite, therefore:

then, can be used to d to calculate the measure of ∠opq

12

step-by-step explanation:

a triangle's   full angle is 180 degrees so 180 - 156 = 24. 24/2=12