Properties of parallelogram-8G
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Lesson duration is: 35 minItems in this lesson
Slide 1 - Slide
Slide 2 - Slide
timer
0:30
parallelogram
Slide 3 - Mind map
Slide 4 - Slide
LO: Develop the properties of parallelograms by analysing their sides, angles,
and diagonals.
Task : Measure sides, angles and diagonals of the parallelogram and complete
the table.
and diagonals.
Task : Measure sides, angles and diagonals of the parallelogram and complete
the table.
timer
4:00
Slide 5 - Open question
Slide 6 - Slide
Slide 7 - Slide
1. Develop the properties of parallelograms by analysing their sides, angles, and diagonals.
2. Apply the properties to solve real life situations.
Task 1: https://www.geogebra.org/geometry/dy2aqvsq
Task 2: https://padlet.com/seenath210/case-study-finding-the-longer-distance-in-a-parallelogram-sh-v10y45kutls3j976
Task 3: https://www.desmos.com/geometry/rcpmw6htqx
2. Apply the properties to solve real life situations.
Task 1: https://www.geogebra.org/geometry/dy2aqvsq
Task 2: https://padlet.com/seenath210/case-study-finding-the-longer-distance-in-a-parallelogram-sh-v10y45kutls3j976
Task 3: https://www.desmos.com/geometry/rcpmw6htqx
timer
7:00
Slide 8 - Open question
If one angle of a parallelogram is 70 degrees, what is the measure of the opposite angle?
A
90°
B
70°
C
110°
D
180°
Slide 9 - Quiz
The diagonals of a parallelogram intersect at point O. If one diagonal is 12 cm long and the other is 16 cm long, what is the length of each segment formed by the diagonals at their intersection?
A
3cm, 4cm
B
10 cm ,10cm
C
6cm , 8cm
D
5cm , 4cm
Slide 10 - Quiz
In a parallelogram-shaped garden, if the length of one side is 5 cm and the length of an adjacent side is 7 cm, what is the perimeter of the garden?
A
24 cm
B
20cm
C
12cm
D
15cm
Slide 11 - Quiz
1. Develop the properties of parallelograms by analysing their sides, angles,
and diagonals.
2. Apply the properties to solve real life situations.
and diagonals.
2. Apply the properties to solve real life situations.
