SaiBook.us Geometry

Lesson Example Discussion Quiz: Class Homework

Quiz At Home

Title: Area of Triangle(Based on Angles)

Grade: 4-a Lesson: S2-L6

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: at Home

Problem Id	Problem	Options
1	In ABC are points in a right-angle triangle the angle formed at b point the length of BC is 12 cm and the angle at a is 60 degrees find the area of a triangle.	A) 45.568 sq.cm B) 41.568 sq.cm C) 36.568 sq.cm D) 35.568 sq.cm
2	ABC is an obtuse triangle angle B = 45° and AB = 3 ft, BC = 8 ft, find its area.	A) 21 sq.meter B) 12 sq.meter C) 13 sq.meter D) 18 sq.meter
3	XYZ is a triangle with having base YZ is 7 m an angle at y is 90 degrees and a z is 60 degrees.find its area.	A) 35.434 sq.m B) 48.434 sq.m C) 54.434 sq.m D) 42.434 sq.m
4	An acute triangle having the 3 sides equal the base length is 10 feet and the area is 42.5 square feet, find its height.	A) 11.5 feet B) 15.5 feet C) 10.5 feet D) 8.5 feet
5	An obtuse triangle with angles measuring 120°, 30°, and 30°, has a side length of 6 meters at the 30° angle and a base of 8 meters. Find its area.	A) 25.78 sq.m B) 22.78 sq.m C) 20.78 sq.m D) 28.78 sq.m
6	Find the area of a right-angled triangle with a base of 4 cm and a height of 6 cm.	A) 10 sq.cm B) 11 sq.cm C) 12 sq.cm D) 13 sq.cm
7	In ∆ABC, angle A = 30°, side b = 4 units, side c = 6 units. what is the area?	A) 6 square units B) 7 square units C) 8 square units D) 9 square units
8	Find the area of an acute triangle with a base of 3 inches and a height of 9 inches.	A) 13.5 sq.inches B) 13 sq.inches C) 12 inches D) 10 inches
9	Find the area of the isosceles triangle with base b = 6cm and height h = 9cm.	A) 26 sq.cm B) 27 sq.cm C) 28 sq.cm D) 29 sq.cm
10	Find the area of a right-angle triangle with a base is 2 cm and hypotenuse is 9 cm.	A) 5.77 sq.cm B) 8.77 sq.cm C) 6.77 sq.cm D) 7.77 sq.cm

Problem Id

Problem

Options

In ABC are points in a right-angle triangle the angle formed at b point the length of BC is 12 cm and the angle at a is 60 degrees find the area of a triangle.

A) 45.568 sq.cm

B) 41.568 sq.cm

C) 36.568 sq.cm

D) 35.568 sq.cm

ABC is an obtuse triangle angle B = 45° and AB = 3 ft, BC = 8 ft, find its area.

A) 21 sq.meter

B) 12 sq.meter

C) 13 sq.meter

D) 18 sq.meter

XYZ is a triangle with having base YZ is 7 m an angle at y is 90 degrees and a z is 60 degrees.find its area.

A) 35.434 sq.m

B) 48.434 sq.m

C) 54.434 sq.m

D) 42.434 sq.m

An acute triangle having the 3 sides equal the base length is 10 feet and the area is 42.5 square feet, find its height.

A) 11.5 feet

B) 15.5 feet

C) 10.5 feet

D) 8.5 feet

An obtuse triangle with angles measuring 120°, 30°, and 30°, has a side length of 6 meters at the 30° angle and a base of 8 meters. Find its area.

A) 25.78 sq.m

B) 22.78 sq.m

C) 20.78 sq.m

D) 28.78 sq.m

Find the area of a right-angled triangle with a base of 4 cm and a height of 6 cm.

A) 10 sq.cm

B) 11 sq.cm

C) 12 sq.cm

D) 13 sq.cm

In ∆ABC, angle A = 30°, side b = 4 units, side c = 6 units. what is the area?

A) 6 square units

B) 7 square units

C) 8 square units

D) 9 square units

Find the area of an acute triangle with a base of 3 inches and a height of 9 inches.

A) 13.5 sq.inches

B) 13 sq.inches

C) 12 inches

D) 10 inches

Find the area of the isosceles triangle with base b = 6cm and height h = 9cm.

A) 26 sq.cm

B) 27 sq.cm

C) 28 sq.cm

D) 29 sq.cm

Find the area of a right-angle triangle with a base is 2 cm and hypotenuse is 9 cm.

A) 5.77 sq.cm

B) 8.77 sq.cm

C) 6.77 sq.cm

D) 7.77 sq.cm