Question

If m <AVC= (9x-20)° and m AC =86°, find the value of x

Answer 1

so hmm notice the picture below

recall, the inscribed angle theorem

thus
`\bf \measuredangle AVC = \cfrac{1}{2}\widehat{AC}\implies 9x-20=\cfrac{1}{2}\cdot 86`

solve for "x"