Hiring People!
Hotel Oberoi (Chandigarh)
We need an intelligent receptionist. Tye The qualifications should be
The salaray will be around 30,000 per month. Resumes to be submitted till 9th June
Answer:
REF.Image.
In isosceles trapezium, AD = BC
Let DC = 3a cm
⇒ AB = a cm
As sum of opposite sides is equal,
⇒AD+BC=4a⇒2AD=4a⇒AD=2a
Now perimeter = 16 cm ⇒8a=16⇒a=2cm
In △ALD,AL
2
=AD
−DL
(Pythagoras th.)⇒AL
=16−4=12
⇒AL=
12
=2
3
cm
Now, Area of trapezium =
1
(Sum of parallel sides)Height
=
(4a)(2
)
=2a×2
=4×2
=8
Explanation:
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Answers & Comments
Hiring People!
Hotel Oberoi (Chandigarh)
We need an intelligent receptionist. Tye The qualifications should be
The salaray will be around 30,000 per month. Resumes to be submitted till 9th June
Answer:
REF.Image.
In isosceles trapezium, AD = BC
Let DC = 3a cm
⇒ AB = a cm
As sum of opposite sides is equal,
⇒AD+BC=4a⇒2AD=4a⇒AD=2a
Now perimeter = 16 cm ⇒8a=16⇒a=2cm
In △ALD,AL
2
=AD
2
−DL
2
(Pythagoras th.)⇒AL
2
=16−4=12
⇒AL=
12
=2
3
cm
Now, Area of trapezium =
2
1
(Sum of parallel sides)Height
=
2
1
(4a)(2
3
)
=2a×2
3
=4×2
3
=8
3
cm
2
Explanation:
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