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Asked by Sunil dhikle

Aug 31, 2013

If an angle is 30 degree more than one half of its complement, find the measure of the angle.

Let the angle be x

Complement of x is (90Â° â€“ x)

Given x = 1/2 Ã— (90Â° â€“ x) + 30Â°

â‡’ 2x = (90Â° â€“ x) + 60Â°

â‡’ 3x = 150Â°

Complement of x is (90Â° â€“ x)

Given x = 1/2 Ã— (90Â° â€“ x) + 30Â°

â‡’ 2x = (90Â° â€“ x) + 60Â°

â‡’ 3x = 150Â°

Asked by Keshav Ruia

Jul 29, 2013

Q**.1 Prove that the bisectors of angles of a lineaer pair are right angles .**

**Q.2 prove that if two lines intersect ,then both pairs of vertically opposite angles are equal .
Q.3 If an angle is 28 degree less than its complement find its measure .
Q.4 If an angle is 30 degree more than one half of its complement , find the measures of the angle**

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Asked by Mohd abdul Khader

Jul 22, 2013

Find the angle which is one fifth of its complement.

18^{.}

Asked by Akash

Aug 18, 2013

if a transversal intersects two lines such that the bisector of a pair of corresponding angles are parallel, then prove that two lines are also parallel

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Asked by Suhas

Sep 17, 2013

in figure abc is an isosceles triangle in which AB=AC

Given in Î”ABC, AB = AC

â‡’ âˆ ABC = âˆ ACB (Since angles opposite to equal sides are equal)

Also given that AD = AB

â‡’ âˆ ADC = âˆ ACD (Since angles opposite t...

â‡’ âˆ ABC = âˆ ACB (Since angles opposite to equal sides are equal)

Also given that AD = AB

â‡’ âˆ ADC = âˆ ACD (Since angles opposite t...

Asked by Suhas

Sep 18, 2013

ABCDE is a regular pentagon, find the relationship between a, b and c.

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Asked by Rasha

Sep 28, 2013

if the bisector of a pair of alternate interior angles formed by the transversal with 2 given lines are parallel,prove tht the given lines are parallel

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Asked by Samiha Mazher

Jun 25, 2014

in a given figure __/ POR__ and __/ QOR__ form a leaner pair if a-b-=80 find the value of a and b.[lease its urgent i dont have time}

a - b = 80

a + b = 180

a = 80 + b

putting 80 + b in place of a

80 + b + b = 180

80 + 2b =180

2b = 180 - 80

2b = 100

b = 50

a + b = 180

a = 80 + b

putting 80 + b in place of a

80 + b + b = 180

80 + 2b =180

2b = 180 - 80

2b = 100

b = 50

Asked by Mohd abdul Khader

Jul 22, 2013

give me more higher order thinking skills questions(hots) for questions based on lines and angles ..

Please go through the "Lines and angles" chapter given in the learnnext website for solving different types of questions in practice tests.