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In the following figure RP : PK= 3 : 2, then find the value of A(ΔTRP) : A(ΔTPK).

Concept: Properties of Ratios of Areas of Two Triangles
ΔSHR ~ ΔSVU. In ΔSHR, SH = 4.5 cm, HR = 5.2 cm, SR = 5.8 cm and `"SH"/("SV")=3/5`. Construct ΔSVU.
Concept: Geometric Constructions
Determine whether the points are collinear.
A(1, −3), B(2, −5), C(−4, 7)
Concept: Distance Formula
Using Euler’s formula, find V if E = 30, F = 12.
Concept: Euler's Formula
In the following figure seg AB ⊥ seg BC, seg DC ⊥ seg BC. If AB = 2 and DC = 3, find `(A(triangleABC))/(A(triangleDCB))`

Concept: Properties of Ratios of Areas of Two Triangles
In the given figure, AD is the bisector of the exterior ∠A of ∆ABC. Seg AD intersects the side BC produced in D. Prove that:

Concept: Properties of Ratios of Areas of Two Triangles
Prove that, in a right-angled triangle, the square of the hypotenuse is equal to the sum of the square of remaining two sides.
Concept: Right-angled Triangles and Pythagoras Property
Find the height of an equilateral triangle whose side is 6 units.
Concept: Property of 30°- 60°- 90° Triangle Theorem
In the given figure, ∠MNP = 90°, seg NQ ⊥ seg MP, MQ = 9, QP = 4, find NQ.

Concept: Theorem of Geometric Mean
In ∆PQR, point S is the midpoint of side QR. If PQ = 11, PR = 17, PS = 13, find QR.
Concept: Right-angled Triangles and Pythagoras Property
Out of the following, which is the Pythagorean triplet?
Concept: Apollonius Theorem
Some question and their alternative answer are given.
In a right-angled triangle, if sum of the squares of the sides making right angle is 169 then what is the length of the hypotenuse?
Concept: Apollonius Theorem
Some question and their alternative answer are given. Select the correct alternative.
If a, b, and c are sides of a triangle and a2 + b2 = c2, name the type of triangle.
Concept: Right-angled Triangles and Pythagoras Property
Find the perimeter of a square if its diagonal is `10sqrt2` cm:
Concept: Apollonius Theorem

In ΔMNP, ∠MNP = 90˚, seg NQ ⊥ seg MP, MQ = 9, QP = 4, find NQ.
Concept: Right-angled Triangles and Pythagoras Property
In ΔPQR, seg PM is a median, PM = 9 and PQ2 + PR2 = 290. Find the length of QR.
Concept: Apollonius Theorem
Draw ∠ABC of measure 105° and bisect it.
Concept: Geometric Constructions
Write down the equation of a line whose slope is 3/2 and which passes through point P, where P divides the line segment AB joining A(-2, 6) and B(3, -4) in the ratio 2 : 3.
Concept: Division of a Line Segment
ΔRST ~ ΔUAY, In ΔRST, RS = 6 cm, ∠S = 50°, ST = 7.5 cm. The corresponding sides of ΔRST and ΔUAY are in the ratio 5 : 4. Construct ΔUAY.
Concept: Division of a Line Segment
Construct the circumcircle and incircle of an equilateral ∆XYZ with side 6.5 cm and centre O. Find the ratio of the radii of incircle and circumcircle.
Concept: Division of a Line Segment
