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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Area of Triangle(Based on Sides)

Grade: 4-a Lesson: S2-L5

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion in Class

Problem Id	Problem	Options
Steps 1	A triangle with side lengths a = 8, b = 15, and c = 17 units. Calculate the area.	A) 60 sq.units B) 58 sq.units C) 20 sq.units D) 24 sq.units
Steps 2	Find the sides of an equilateral triangle whose area is \$16 \sqrt 4 cm^2\$.	A) 10 cm B) 8 cm C) 6 cm D) 4 cm
Steps 3	Find the area and perimeter of an isosceles triangle given a = 8 cm (length of two equal sides), b = 11 cm (base) and height is 13.5 cm.	A) P = 74.25 sq.cm and A = 27 cm B) P = 74.52 sq.cm and A = 26 cm C) A = 74.25 sq.cm and P = 27 cm D) A = 74.52 sq.cm and P = 26 cm
Steps 4	A right triangle is inscribed inside a circle of radius 10 cm such that one of the perpendicular sides of the triangle is the diameter of the circle and the other perpendicular side is \$2/5\$th the radius of the circle. Find the area of the triangle.	A) 40 sq.cm B) 20 sq.cm C) 13 sq.cm D) 15 sq.cm
Steps 5	Find the area of the triangle whose height is 36 m and the base is \$1/4\$th the length of the height.	A) 100 sq.m B) 172 sq.m C) 162 sq.m D) 184 sq.m

Problem Id

Problem

Options

Steps 1

A triangle with side lengths a = 8, b = 15, and c = 17 units. Calculate the area.

A) 60 sq.units

B) 58 sq.units

C) 20 sq.units

D) 24 sq.units

Steps 2

Find the sides of an equilateral triangle whose area is \$16 \sqrt 4 cm^2\$.

A) 10 cm

B) 8 cm

C) 6 cm

D) 4 cm

Steps 3

Find the area and perimeter of an isosceles triangle given a = 8 cm (length of two equal sides), b = 11 cm (base) and height is 13.5 cm.

A) P = 74.25 sq.cm and A = 27 cm

B) P = 74.52 sq.cm and A = 26 cm

C) A = 74.25 sq.cm and P = 27 cm

D) A = 74.52 sq.cm and P = 26 cm

Steps 4

A right triangle is inscribed inside a circle of radius 10 cm such that one of the perpendicular sides of the triangle is the diameter of the circle and the other perpendicular side is \$2/5\$th the radius of the circle. Find the area of the triangle.

A) 40 sq.cm

B) 20 sq.cm

C) 13 sq.cm

D) 15 sq.cm

Steps 5

Find the area of the triangle whose height is 36 m and the base is \$1/4\$th the length of the height.

A) 100 sq.m

B) 172 sq.m

C) 162 sq.m

D) 184 sq.m