Tamil Nadu (English Medium) Std 8 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
The _______ of a circle is the distance from the centre to the circumference.

(A) Sector	(B) Segment
(C) Diameters	(D) Radius

Question-2
Which of the following set of measurements will form a triangle.?

(A) 11cm, 4cm, 6cm	(B) 13cm, 14cm, 25cm
(C) 8cm, 4cm, 3cm	(D) 5cm, 16cm, 5cm

Question-3
The longest chord of a circle is

(A) radius	(B) secant
(C) diameter	(D) tangent

Question-4
The point of concurrency of the medians of a triangle is known as

(A) incentre	(B) circle centre
(C) ortho centre	(D) centroid

Question-5
In Δ PQR, if P = 90⁰ , Q = 40⁰, R = 50⁰, then Δ PQR is a _________ triangle

(A) A cute angled	(B) Right angled
(C) Obtused angled	(D) None of these

Question-6 Two plane figures are said to be congruent if they have

(A) the same size	(B)the same shape
(C)the same size and same shape	(D)the same size but not same shape

Question-7
If sides of a triangle, ΔABC are AB = 3cm, BC = 3cm, AC = 3cm, then Δ ABC is a ________ triangle.

(A) Equilateral	(B) Isosceles
(C) Scalene	(D) None of these

Question-8
If two geometrical figures are identical in shape and size then they are said to be ________

(A) Similar	(B) Congruent
(C) both (1) and (2)	(D) None of these

Question-9
The three exterior angles of a triangle are 130⁰, 140⁰, x⁰, then x⁰ is

(A) 90⁰	(B) 100⁰
(C) 110⁰	(D) 120⁰

Question-10
In Δ ABC, when A = 90⁰ the hypotenuse is __________

(A) AB	(B) BC
(C) CA	(D) None of these

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Std 8

Tamil Nadu (English Medium)

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Algebra
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