Question

8 multiple choice 1 point
find the area of a square with side lengths of 21 cm.
105 cm²
462 cm²
84 cm²
441 cm²

9 multiple choice 1 point
find the missing side of the rectangle and round to the nearest tenth if needed.
length = ?
width = 12 cm
perimeter = 40 cm
8 cm
16 cm
24 cm
6 cm

10 fill in the blank 1 point
find the area of a square with side lengths of 14 cm.
type your answer...

11 multiple choice 1 point
find the area of the triangle with the measurements given below.
base = 12 in

Explanation:

Calculate the area of the square in Question 8

$$
LATEXBLOCK0
$$

Solve for the missing length of the rectangle in Question 9

$$
LATEXBLOCK1
$$

Calculate the area of the square in Question 10

$$
LATEXBLOCK2
$$

Answer:

Question 8

• (A) \(105\text{ cm}^2\)
• (B) \(462\text{ cm}^2\)
• (C) \(84\text{ cm}^2\)
• (D) \(441\text{ cm}^2\) (Correct answer)

Question 9

• (A) \(8\text{ cm}\) (Correct answer)
• (B) \(16\text{ cm}\)
• (C) \(24\text{ cm}\)
• (D) \(6\text{ cm}\)

Question 10

The area of a square with side lengths of 14 cm is <blank>\(196\)</blank> \(\text{cm}^2\).