You can set dimension(Distance, Angle, Radius) on sketch entities.

1.

Click  button on the toolbar or click Tools > Smart Dimension in the Sketch mode.

2.

Click the bottom line and drag it to proper location and click again. (Distance)

3.

Click the side two lines and drag it to proper location and click again. (Angle)

4.

Click an arc, drag it to proper location and click again. (Radius)

5.

Click the center of arc and bottom line, drag it to proper location and click again. (Distance between arc and line)

6.

Double click dimension and edit the value.

·   Value – Specify value of dimension.

Note

When you set dimension of distance, the location of mouse could make different distance as shown image below.