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Lesson Example Discussion Quiz: Class Homework

Quiz Discussion

Title: Area of Triangle(Based on Angles)

Grade: 4-a Lesson: S2-L6

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	Find the area of a right-angled triangle with a base of 8 cm and a height of 12 cm.	A) 40 sq.cm B) 24 sq.cm C) 48 sq.cm D) 33 sq.cm
Steps 2	The base of an acute-angled triangle with an area of 24 sq. units and base 8 units is needed to calculate its height.	A) 6 units B) 4 units C) 3 units D) 10 units
Steps 3	Calculate the area of an obtuse-angled triangle with side lengths of 8 units, 10units, and an included angle of 120 degrees.	A) 22\$\sqrt 3\$ sq.units B) 20\$\sqrt 3\$ sq.units C) 10\$\sqrt 3\$ sq.units D) 20\$\sqrt 2\$ sq.units
Steps 4	A triangle XYZ with two known sides and the included angle between them. Find the area of the triangle. If the XY = 7 cm , XZ = 10 cm and \$\angle YXZ = 110\$	A) 33.90 sq.cm B) 33 sq.cm C) 32.55 sq.cm D) 32 sq.cm
Steps 5	A Triangle with two known sides and the included angle between them. Find the area of the triangle.If the PQ = 12 ft , QR = 16 ft and ∠PQR = 75 degrees	A) 92 sq.ft B) 92.64 sq.ft C) 93 sq.ft D) 92.46 sq.ft

Problem Id

Problem

Options

Steps 1

Find the area of a right-angled triangle with a base of 8 cm and a height of 12 cm.

A) 40 sq.cm

B) 24 sq.cm

C) 48 sq.cm

D) 33 sq.cm

Steps 2

The base of an acute-angled triangle with an area of 24 sq. units and base 8 units is needed to calculate its height.

A) 6 units

B) 4 units

C) 3 units

D) 10 units

Steps 3

Calculate the area of an obtuse-angled triangle with side lengths of 8 units, 10units, and an included angle of 120 degrees.

A) 22\$\sqrt 3\$ sq.units

B) 20\$\sqrt 3\$ sq.units

C) 10\$\sqrt 3\$ sq.units

D) 20\$\sqrt 2\$ sq.units

Steps 4

A triangle XYZ with two known sides and the included angle between them. Find the area of the triangle. If the XY = 7 cm , XZ = 10 cm and \$\angle YXZ = 110\$

A) 33.90 sq.cm

B) 33 sq.cm

C) 32.55 sq.cm

D) 32 sq.cm

Steps 5

A Triangle with two known sides and the included angle between them. Find the area of the triangle.If the PQ = 12 ft , QR = 16 ft and ∠PQR = 75 degrees

A) 92 sq.ft

B) 92.64 sq.ft

C) 93 sq.ft

D) 92.46 sq.ft