| 1 |
|
4.13
3.14
15.4
17.3
|
| 2 |
What is radius in circle ? |
Perimeter
Half the diameter
Segment line
|
| 3 |
Angle inscribed in a semicircle is always: |
90°
60°
120°
360°
|
| 4 |
Cot 45° = |
1
-1
0
Not defined
|
| 5 |
Sec 270° = |
0
1
-1
Not defined
|
| 6 |
Tan 180° = |
0
1
Not defined
-1
|
| 7 |
Sin 60° = |
1
0
|
| 8 |
Acute angle is: |
80°
60°
90°
120°
|
| 9 |
The radius of a circumscribed circle is called: |
Circum-radius
Escribed-radius
In-radius
Radius
|
| 10 |
Two intersecting circles are not: |
Incentric
Escribecentric
Concentric
Circumcentri
|
| 11 |
If the incentre and circumcenter of a triangle coincide the triangle is: |
Right angle
Scaleve
Isosceles
Equilateral
|
| 12 |
The length of two common tangents to two circles are _____ to each other: |
Perpendicular
Equal
Parallel
Un-equal
|
| 13 |
The perpendicular bisector of a chord of a circle passes through the: |
Centre
Radius
Diameter
Arc
|
| 14 |
Two circles cannot cut each other at more than ______ points: |
One
Two
Three
Four
|
| 15 |
A tangent is perpendicular to the radius of a circle at its point of: |
Tangent
Touch
Contact
Meet
|
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