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Geometry 8 Online
OpenStudy (anonymous):

Peter reflected parallelogram ABCD across the y-axis. If angle A is 115° and angle B is 65°, what is the degree measurement of angle A'?

OpenStudy (anonymous):

Select one: a. 65° b. 50° c. 115° d. 180°

OpenStudy (anonymous):

@ganeshie8

ganeshie8 (ganeshie8):

hint : reflection preserves angles and lengths

ganeshie8 (ganeshie8):

wat that means is, if an angle is 100 before reflection, it wud stay same after reflection also. angles wont change

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

so wat would it be

ganeshie8 (ganeshie8):

think a bit

OpenStudy (anonymous):

is it 65

ganeshie8 (ganeshie8):

whats the measure of angle A, before reflection ?

OpenStudy (anonymous):

115

ganeshie8 (ganeshie8):

good :) so after reflection also it wud stay same

ganeshie8 (ganeshie8):

Answer : 115

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