STAAR Geometry

• A
• B
• C
• D

• A
• B
• C
• D

• A
• B
• C
• D

• ABC
• BDE
• CD
• AE

What is the area of a triangle with a base of 8 cm and a height of 9 cm?

• 8 cm

• 12.56 cm

• 25.12 cm

• 50.24 cm

Olivia is planning to build a garden in the shape of a parallelogram. She decides the garden will have base lengths of 8 units and a height of 5 units. The area of Olivia's garden will be (a)   square units.

• 40 square units

• 13 square units

• 26 square units

• 80 square units

Answer explanation

The area of a parallelogram is calculated by multiplying the base length by the height. In this case, 8 units * 5 units = 40 square units. Therefore, the correct answer is 40 square units.

Elijah is drawing a triangle for his geometry homework. He measures the angles and finds they are 35 degrees, 95 degrees, and 50 degrees. What type of triangle has he drawn?

• Acute

• Obtuse

• Right

• Equilateral

Answer explanation

The triangle Elijah drew has angles measuring 35, 95, and 50 degrees, making it an obtuse triangle since it has one angle greater than 90 degrees.

What is the volume of a rectangular prism with length 8 cm, width 3 cm, and height 2 cm?