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English 11 Public

Relation between angles

Study Slideshow

Q1) If D is the mid-point of BC . Then BD ....... DC

equal

Q10 ) measure of the straight angle =

180 degree

Q2 )m(∠BED) = m(∠...............) = ........... alternate- corresponding-Vertically opposite angle

m(∠ AEC) , they are Vertically opposite angles

Q4 ) what is the type of transformation ?What is the type of transformation in this picture ( reflection - translation - rotation )

reflection

Q3 What is the type of transformation in this picture ( reflection - translation - rotation )

rotatoin

Q6 What is the measure of the missing angle =

Q8 m(∠EBA) =.m(∠.............................) ( alternate- corresponding- interior-

m(∠BAC) = 55° ( Alt. angles )

Q7 )m(∠𝐴𝐵C) =..m(∠....................) ....................why ? ( Alternate , corresponding , interior m(∠𝐴CB) = m (∠………….) ....................)

m(∠DCE) =. Corresponding m(∠DEC) =. Corresponding

Q9 )The sum of interior angle of triangle = ........ & the sum of angles of quadrilateral ,,,,,,,

180 ---- 360

IF OA is bisector then m(∠BOC) .................... m(∠COA) Equal - greater than- smaller than

equal

Q11) If 2x+1 = 11, then x = ……….