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Syllabus

which of the following form a triangle^{0}_{,}67^{0},90^{0}Q. ABCD is a parallelogram, E is the point on BA produced such that BE = 2EA. F is the point on DC produced such that DF = 2FC. Prove that ABFC is a parallelogram whose area is one half of BFDE.

Q13. In the figure given alongside, DC and BE meet at O, prove that $\u2206$BOD and $\u2206$COE are equal in area.

4. In the given figure, AB = CD and AD = CB. Prove that:

(i) $\u2206ABD=\u2206CDB$

(ii) $\angle A=\angle C$

5. In the given figure, $\angle SPR=\angle QRPand\angle RSP=\angle PQR$

Prove that :

(i) PQ = RS

(ii) PS = QR

Ouestion number 9 (2)

I) The sum of two angles of a traingle is 115 and their difference is 45.find the measure of each angle.

2) The angles of a traingle are (2x+30),(3x-110) and

5

-- X + 20

2

Answer only 5 and 6

I cannot understand

Please explain

ii) answer no 3