# centroid of triangle

# 724 Rectangle, semicircle, quarter-circle, and triangle | Centroid of Composite Area

**Problem 724**

Find the coordinates of the centroid of the shaded area shown in Fig. P-724.

# 723 Rectangle, quarter circle and triangle | Centroid of Composite Area

**Problem 723**

Locate the centroid of the shaded area in Fig. P-723.

# 720 Two triangles | Centroid of Composite Area

Problem 720

The centroid of the sahded area in Fig. P-720 is required to lie on the y-axis. Determine the distance b that will fulfill this requirement.