Answer:
Triangle in isosceles, scalene or equilateral forms and
quadrilateral in trapezoid, rectangle or square forms
Step-by-step explanation:
<em>Refer to pictures attached</em>
<u>Shapes can be formed are:</u>
<em>when perpendicular to base</em>
- Rectangle or square<em>,</em>
<em>when angle cross section to base</em>
when base is isosceles triangle and parallel cross section to base,
or angle cross section
<em>when base is scalene triangle and parallel cross section to base,</em>
<em>or angle cross section</em>
<em>when base is equilateral triangle and parallel cross section to base,</em>
<em>or angle cross section</em>