Kerala (English Medium) Std 10 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
The length of the shadow of a tree is 18m, when the sun is at an elevation of 40^o. What is the height of the tree?

(A) 14m	(B) 14.5m
(C) 15m	(D) 15.10m

Question-2
Find the area of a triangle with two of its sides 10cm and 6cm and the angle between these sides 80^o

(A) 28cm²	(B) 25cm²
(C) 29.54cm²	(D) 29cm²

Question-3
One angle of a right angled triangle is 30^o and its hypotenuse is 4 cm. What is its area?

(A) 4√3 cm²	(B) 4√2 cm²
(C) 2√2 cm²	(D) 2√3 cm²

Question-4
Ratio of the sides of a right angled triangle having angle measures 45^o, 45^o, 90^o is

(A) 1:√3:2	(B) 1:1:√2
(C) 1:√2:√2	(D) 1:√3:√2

Question-5
The area of a parallelogram is 30 square cm. One of its sides is 6 cm and on of its angles is 60^o. What is the length of its other side?

(A)	(B) 5√3 cm
(C)	(D) 10√3 cm

Question-6
In the right angled triangle ABC, ∠B = 90° and ∠C = 30°. if AC = 10cm, find the lengths of the side AB.

(A) 2cm	(B) 3cm
(C) 4cm	(D) 5cm

Question-7
Ratio of sides of right triangle with angle measures 30^o, 60^o, and 90^o is

(A) 1:√3:2	(B) 1:1:√2
(C) 1:1:√3	(D) 1:√3:√2

Question-8
Two adjacent sides of a parallelogram are 10 cm and 3 cm long and the angle between these sides is 60^o. its area is

(A) 25.98 cm²	(B) 24 cm²
(C) 24.7 cm²	(D) 25.12 cm²

Question-9
Given that cos30^o = √3/2, then value of cos60^o is

(A) √3	(B) √3/2
(C) 1/2	(D) 2

Question-10
How many rhombuses can we draw with one diagonal 5cm long and one angle 50^o

(A) 1	(B) 2
(C) 3	(D) 4

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Std 10

Kerala (English Medium)

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