On the right is a small tree cut with handmade paper. What is its area? (unit centimeter)

Area of triangle: (1+kloc-0/+0.6+0.6) × 3 ÷ 2 = 4.8 (square centimeter).

Small trapezoid area: (1+1+2.3+1+1) × 3 ÷ 2 =12.9 (square centimeter)?

Trapezoidal area: (2.3+2.3+1+1+3+3) × 3 ÷ 2 =18.9 (square centimeter)?

Rectangular area: 2×6= 12 (square centimeter)?

Small tree area: 4.8+12.9+18.9+12 = 48.6 (square centimeter)?

Its area is 48.6 square centimeters.

The lines that extend the data to divide the triangle area equally are endless. Three of them are the median of the triangle (connecting the midpoint of both sides and the opposite vertex), and they are collinear at the center of gravity of the triangle; In fact, they are the only area bisectors passing through the center of gravity. Any line that divides the area and perimeter of a triangle into two halves can pass through the entrance of the triangle (the center of its perimeter). For any given triangle, there are one, two or three triangles.

Any line passing through the midpoint of the parallelogram divides the area in two. ?

All bisectors of the area of a circle or other ellipse pass through the center, and any chord passing through the center bisects the area. For circles, they are the diameter of the circle.