Estimating the area of parallelogram, triangle and trapezoid

Give the estimated area of the triangle.

• 12.5 sq. unit

• 13 sq. unit

• 13.5 sq. unit

• 14 sq. unit

Give the estimated area of the parallelogram.

• 17 sq. unit

• 18 sq. unit

• 19 sq. unit

• 20 sq. unit

Give the estimated area of the trapezoid.

• 20 sq. unit

• 21 sq. unit

• 22 sq. unit

• 23 sq. unit