Advertisements
Advertisements
Question
ABCD is a square, diagonals AC and BD meet at O. The number of pairs of congruent triangles with vertex O are
Options
6
8
4
12
Advertisements
Solution
ABCD is a square, diagonals AC and BD meet at O. The number of pairs of congruent triangles with vertex O are 6
APPEARS IN
RELATED QUESTIONS
In a parallelogram ABCD, determine the sum of angles ∠C and ∠D .
ABCD is a square. AC and BD intersect at O. State the measure of ∠AOB.
P and Q are the points of trisection of the diagonal BD of a parallelogram AB Prove that CQ is parallel to AP. Prove also that AC bisects PQ.
In a ΔABC median AD is produced to X such that AD = DX. Prove that ABXC is a
parallelogram.
In Fig. below, AB = AC and CP || BA and AP is the bisector of exterior ∠CAD of ΔABC.
Prove that (i) ∠PAC = ∠BCA (ii) ABCP is a parallelogram
In a parallelogram ABCD, write the sum of angles A and B.
In a parallelogram ABCD, if ∠D = 115°, then write the measure of ∠A.
In a parallelogram ABCD, if ∠A = (3x − 20)°, ∠B = (y + 15)°, ∠C = (x + 40)°, then find the values of xand y.
In a parallelogram ABCD, the bisector of ∠A also bisects BC at X. Find AB : AD.
Prove that the quadrilateral formed by the bisectors of the angles of a parallelogram is a rectangle.
