Question

In the given figure, BAC= 40", ZACB 90 and 2BED = 100°, Then BDE =? 25 . 40 C 50 30​

Answer 1

Please provide the "given figure".

Answer 2

Answer:

BDE = 30°

Step-by-step explanation:

In triangle AEF,

BED =

EFA +

EAF

EFA = 100 – 40 = 60o

CFD =

EFA (vertical opposite angles)

= 60o

In triangle CFD, we have

CFD +

FCD +

CDF = 180o

CDF = 180o – 90o – 60o

= 30o

So,

BDE = 30o