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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Area of Triangle

Grade: 1300-a Lesson: S3-L2

Explanation: Hello students, we have already learned about the concept and the example. Now it’s time to discuss the problem-solving in quiz-discussion.

Quiz: Discussion in Class

Problem Id	Problem	Options
Steps 1	Find the area of a triangle whose altitude and base are 10 cm and 15 cm, respectively.	A) \$75\$ cm² B) \$79\$ cm² C) \$76\$ cm² D) \$74\$ cm²
Steps 2	Find the area of the triangle whose height is 36 cm and the base is \$1/8\$ th the length of the height.	A) \$81\$ cm² B) \$8\$ cm² C) \$18\$ cm² D) \$80\$ cm²
Steps 3	Find the area of the equilateral triangle ABC, where AB = AC = BC = 8cm.	A) \$14\sqrt 3\$ cm² B) \$16\sqrt 3\$ cm² C) \$13\sqrt 3\$ cm² D) \$15\sqrt 3\$ cm²
Steps 4	Find the height of a triangle whose area of 420 cm² and a base of 60 cm.	A) \$11cm\$ B) \$14cm\$ C) \$10cm\$ D) \$18cm\$
Steps 5	Find the area of the scalene triangle ABC with the sides 8 cm, 6 cm and 4 cm.	A) \$sqrt(132)\$ cm² B) \$sqrt(134)\$ cm² C) \$sqrt(135)\$ cm² D) \$sqrt(133)\$ cm²

Problem Id

Problem

Options

Steps 1

Find the area of a triangle whose altitude and base are 10 cm and 15 cm, respectively.

A) \$75\$ cm²

B) \$79\$ cm²

C) \$76\$ cm²

D) \$74\$ cm²

Steps 2

Find the area of the triangle whose height is 36 cm and the base is \$1/8\$ th the length of the height.

A) \$81\$ cm²