Properties of Triangle Test

Result

Properties of Triangle Test - 15

Score
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out of -
Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

A
equilateral

B
isosceles right angled

C
right angled but not isosceles

D
obtuse angled

Solution
Question 2
4 / -1

In a triangle ABC, AD, BE and CF are the altitudes and R is the circumradius then the radius of the circle DEF is

A
2R

B
R

C
R/2

D
none of these

Solution
Question 3
4 / -1

In a triangle ABC, if cosA cosB + sinA sinB sinC = 1 then a : b : c =

A
1 : 2 : 3

B
1 : 1 : 2

C

D

Solution
Question 4
4 / -1

A
A.P.

B
G.P.

C
H.P.

D
none of these

Solution
Question 5
4 / -1

A
equilateral

B
right–angled and isosceles

C
right angled with A = 90°, B = 60°, C = 30°

D
none of these

Solution
Question 6
4 / -1

If the sides of a triangle are 3, 5 and 7 and smallest and greatest angles are α and β respectively, then 4(1 – cos α) (1 – cos β) is equal to

A

B

C

D

Solution
Question 7
4 / -1

A

B

C

D
5

Solution
Question 8
4 / -1

A

B

C

D

Solution
Question 9
4 / -1

A

B

C

D

Solution
Question 10
4 / -1

A
a cos A + b cos B + c cos C

B
sin A + sin B + sin C

C

D

Solution