The apex angle of an isosceles triangle is 112°, what is the base angle of it?
一个等腰三角形的顶角是112°，它的一个底角是多少°
<gadget id="calculator">180 - 112</gadget>
<output>68</output>

<gadget id="calculator">68 / 2</gadget>
<output>34</output>

<result>34</result>