Advertisements
Advertisements
The co-ordinates of point A and B are 4 and -8 respectively. Find d(A, B).
Concept: undefined > undefined
In ΔPQR, PQ = 10 cm, QR = 12cm, PR = 8 cm, find the biggest and the smallest angle of the triangle.
Concept: undefined > undefined
Advertisements
ΔABC ∼ ΔDEF and A(ΔABC) : A Δ(DEF) = 1 : 2 If AB = 4 find DE.
Concept: undefined > undefined
ΔXYZ ∼ ΔPYR; In ΔXYZ, ∠Y = 60o, XY = 4.5 cm, YZ = 5.1 cm and XYPY =` 4/7` Construct ΔXYZ and ΔPYR.
Concept: undefined > undefined
O is any point in the interior of ΔABC. Bisectors of ∠AOB, ∠BOC and ∠AOC intersect side AB, side BC, side AC in
F, D and E respectively.
Prove that
BF × AE × CD = AF × CE × BD
Concept: undefined > undefined
If ΔABC ~ ΔPQR and ∠A = 60°, then ∠P = ?
Concept: undefined > undefined
Find the area of a circle of radius 7 cm.
Concept: undefined > undefined
Draw seg AB of length 5.7 cm and bisect it.
Concept: undefined > undefined
In the above figure, `square`XLMT is a rectangle. LM = 21 cm, XL = 10.5 cm. Diameter of the smaller semicircle is half the diameter of the larger semicircle. Find the area of non-shaded region.
Concept: undefined > undefined
Draw ∠ABC of measure 120° and bisect it.
Concept: undefined > undefined
In the following figure, in Δ PQR, seg RS is the bisector of ∠PRQ.
PS = 11, SQ = 12, PR = 22. Find QR.
Concept: undefined > undefined
In the given figure, O is the centre of a circle, chord PQ ≅ chord RS If ∠ POR = 70° and (arc RS) = 80°, find –
(1) m(arc PR)
(2) m(arc QS)
(3) m(arc QSR)
Concept: undefined > undefined
In the given figure, chord EF || chord GH. Prove that, chord EG ≅ chord FH. Fill in the blanks and write the proof.
Concept: undefined > undefined
In the given figure, seg MN is a chord of a circle with centre O. MN = 25, L is a point on chord MN such that ML = 9 and d(O,L) = 5. Find the radius of the circle.
Concept: undefined > undefined
Write the equations of the x-axis and y-axis.
Concept: undefined > undefined
If ΔABC ~ ΔDEF, then writes the corresponding congruent angles and also write the ratio of corresponding sides.
Concept: undefined > undefined
Choose the correct alternative:
If ΔABC ~ ΔPQR and 4A (ΔABC) = 25 A(ΔPQR), then AB : PQ = ?
Concept: undefined > undefined
In the above figure, seg PA, seg QB and RC are perpendicular to seg AC. From the information given in the figure, prove that: `1/x + 1/y = 1/z`
Concept: undefined > undefined
In the above figure, seg AB is a diameter of a circle with centre P. C is any point on the circle. seg CE ⊥ seg AB. Prove that CE is the geometric mean of AE and EB. Write the proof with the help of the following steps:
a. Draw ray CE. It intersects the circle at D.
b. Show that CE = ED.
c. Write the result using the theorem of the intersection of chords inside a circle. d. Using CE = ED, complete the proof.
Concept: undefined > undefined
Find the trigonometric sine ratio of an angle in a standard position whose terminal arm passes through the point (3, 4).
Concept: undefined > undefined