A comparison is made among the two-dimensional

plane figure of cracks and the figures of contour surface and rock mass crushing on site in three values of different linear charging density.

Consequently, the wave of the solution is stable as seen from the phase

plane Figure 3(d).

As shown in Figure 7, a rectangle container can be deemed as a

plane figure encircled by four triangles.

The topics include integration using trigonometric identities, integration by parts, the fundamental theorems of calculus, applying the definite integral to compute the area of a

plane figure, and methods of solving ordinary differential equations of the first order and of the first degree.

What geometric

plane figure is presented by ice crystals and snowflakes?

"A polygon is a closed

plane figure with many sides.

Plane figure or shape: a two-dimensional area that is defined by an edge or outline.