good Geometric question

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Incognito
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Q1. In a triangle ABC with right angle at C, altitude CH and median CM trisect the right angle. If the area of triangle CHM is K, then the area of triangle
ABC is:
a.  6K
b. 4 √ 3K
c. 3 √3K
d. 3K
e. 4K

Q2. The sum of the measure of two angles of a pentagon is 240. If the remaining angles are congruent, what is the measure of each angle?
a. 220
b. 180
c. 660
d. None of the above

Q3. How many lines are determined by five coplanar points, provided that no three of them
are collinear?
a. 10
b. 11
c. 12
d. 9
e. None of these

Q4. ABCD is a quadrilateral such that the bisectors of the four interior angles meet at a point if angle AOB is 57 degree. Calculate  angle COD?
a. 57 degree
b. 123 degree
c. 66 degree
d. 33 degree

Q5. A chord which is the perpendicular bisector of a radius of length 12 in a circle,
has length:
a.  3√ 3
b. 27
c. 6√ 3
d. 12 √3
e. 4√ 3

Q6. Find the area of the following trapezoid:

a. 48 √2+36
b. 36 √2+48
a. 19 √2+36
a. 27 √2+48

asu2008's picture
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few answers

Q2. a

Q3. a

Q6. a

jigar_er_civil's picture
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ya ans is (a)

ya ans is (a) 48sqrt2+36

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Q4. ABCD is a quadrilateral

Q4. ABCD is a quadrilateral such that the bisectors of the four interior angles meet at a point if angle AOB is 57 degree. Calculate  angle COD?
a. 57 degree
b. 123 degree
c. 66 degree
d. 33 degree

ans is 57

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Q5. A chord which is the

Q5. A chord which is the perpendicular bisector of a radius of length 12 in a circle,
has length:
a.  3√ 3
b. 27
c. 6√ 3
d. 12 √3
e. 4√ 3

ans is 6√ 3

144-36=108 so ans is 6√ 3

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Incognito
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How to do 1st question?

How to do 1st question?

I'm confused. Please send me answer at siddharthbandhu@yahoo.com

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He blurts out that his appetite is not an ally Frey girl

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