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Class 10 Maths Practice Test: Triangles
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Class 10 Maths Practice Test: Triangles
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10 Questions

1. What will be the value of BC if the area of two similar triangles ∆ABC and ∆PQR is 64cm2 and 81cm2 respectively and the length of QR is 15cm.
2. The areas of two similar triangles are 100cm2 and 64cm2. If the altitude of the smaller triangle is 5.5 cm, then what will be the altitude of the corresponding bigger triangle?
3. What will be the value of BC if the area of two similar triangles ∆ABC and ∆PQR is 64cm2 and 81cm2 respectively and the length of QR is 15cm.
4. The area of two similar triangles is 25cm2 and 121cm2. If the median of the bigger triangle is 10 cm, then what will be the corresponding median of the smaller triangle?
5. ∆ABC ∼ ∆PQR, AD & PS are the angle bisectors of respectively. If AD = 1.5cm and PS = 2.3 cm then, what will be the ratio of the areas of ∆ABC and ∆PQR?
6. What will be the ratios of areas of similar ∆ABC and ∆PQR, if the altitudes of the triangles are 10cm and 5.5cm respectively?
7. In the given figure, AC is the angle bisector and AB = 5.2 cm, AD = 4.5 cm. What will be ratios of areas of ∆ABC and ∆ACD?
8. In the given figure, DE∥BC and AE:EC=3:4. What will be the ratio of the areas ∆ADE and ∆ABC?
9. The area of two similar triangles is 25cm2 and 121cm2. If the median of the bigger triangle is 10 cm, then what will be the corresponding median of the smaller triangle?
10. In the given figure PQ∥BC, and 3AP=4PB. What will be the ratio of areas ∆ABC and trap.(PQCB)?

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