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Mathematics
9th
grade
Areas of parallelogram & triangle on the same base & between the same parallels
5 questions
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- 1. Multiple Choice
If a triangle and a parallelogram are on the same base and between the same parallels then the ratio of the area of a triangle to the area of parallelogram is ______
1:3
1:2
2:1
1:4
- 2. Multiple Choice
In the given figure, if ABCD is a parallelogram then ar(△ECD) = __________
ar(൏ ABCD)
1/2 x ar(△ECD)
1/2 x ar(△ADE)
1/2 x ar(൏ ABCD)
- 3. Multiple Choice
Is the area of triangle ABC equal to 1/2 the area of parallelogram PQRS?
Yes
No
Cannot be determined
- 4. Multiple Choice
If ABCD and BECD are parallelograms such that ar(ABCD) = ar(BECD) = 36cm², then the area of △BCD is equal to ________.
18cm
18cm²
20cm
36cm²
- 5. Multiple Choice
PQRS is a parallelogram. If ar(△SAP) = 15cm² and ar(△PAR) = 30cm², then ar(△PRQ) =_________
15 cm²
30 cm²
25 cm²
45 cm²
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