Question

plz plz plz answer

its question of class 9
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Answer 1

Answer:

fufu

nibihi

nigjgu

biviguh

bigugug

nihugug

nivugydyvu

jvuguv

g7fufuggin

vjvuvu

vivid

Answer 2

Step-by-step explanation:

GIVEN:BA//ED AND BC//EF

TO PROVE:ANGLE ABC + DEF = 180°

CONSTRUCTION:DRAW ED TO MEET BC AT POINT R

PROOF:ABC + ERB = 180° [CONSE. ANGLE]

ERB=DEF [ALT. INT. ANGLE]

SO, ABC + DEF =180°

[HENCE PROVED]