Quiz Discussion

Title: Area of triangle

Grade: 7-a Lesson: S4-L2

Explanation:

Quiz: Discussion in Class

Problem Id Question

Steps 1

Find the area of a triangle with a base of 10 m and a height of 6 m.

A) \$30 m^2\$

B) \$31 m^2\$

C) \$32 m^2\$

D) \$28 m^2\$

Steps 2

A triangle has side lengths of 5 units, 6 units, and 7 units. Find its area.

A) \$14.3 units^2\$

B) \$14.7 units^2\$

C) \$14.5 units^2\$

D) \$14.9 units^2\$

Steps 3

Find the height of the triangle whose base is two-thirds of its height and area is \$267 cm^2\$.

A) \$28.45 cm\$

B) \$28.21 cm\$

C) \$ 28.314 cm\$

D) \$28.56 cm\$

Steps 4

Find the sides of an equilateral triangle whose area is \$12 sqrt(3) m^2\$.

A) \$ -3sqrt(4)m\$

B) \$ -4 sqrt(3) m\$

C) \$ 3sqrt(4)m\$

D) \$ 4 sqrt(3) m\$

Steps 5

Find the area of a triangle whose length of each side is 7 inches, 8 inches and 9 inches.

A) \$A = 26.38 Inches^2\$

B) \$A = 26.74 Inches^2\$

C) \$A = 26.83 Inches^2\$

D) \$A = 26.72 Inches^2\$


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