DCAS Geometry and Measurement Flashcards
6 cards from real DCAS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 DCAS Geometry and Measurement flashcards as text
What is the area of a rectangle with a length of 12 cm and a width of 5 cm?
Answer: 60 cm²
The area of a rectangle is calculated by multiplying length × width, so 12 × 5 = 60 cm².
Which of the following best describes a right angle?
Answer: An angle that measures exactly 90°
A right angle measures exactly 90° and is commonly shown with a small square in the corner.
A triangle has sides measuring 3 cm, 4 cm, and 5 cm. What type of triangle is this?
Answer: Right triangle
A 3-4-5 triangle satisfies the Pythagorean theorem (3² + 4² = 5²), making it a right triangle.
What is the perimeter of a square with a side length of 7 inches?
Answer: 28 inches
The perimeter of a square is 4 × side length, so 4 × 7 = 28 inches.
How many degrees are in a straight angle?
Answer: 180°
A straight angle forms a straight line and always measures exactly 180°.
What is the volume of a rectangular prism that is 4 cm long, 3 cm wide, and 5 cm tall?
Answer: 60 cm³
Volume of a rectangular prism = length × width × height = 4 × 3 × 5 = 60 cm³.
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