Question

please answer this question​

Answer 1

Answer:

any of the elements fluorine, chlorine, bromine, iodine, and astatine, occupying group VIIA (17) of the periodic table. They are reactive non-metallic elements that form strongly acidic compounds with hydrogen from which simple salts can be made.

denoting lamps and radiant heat sources using a filament surrounded by the vapour of iodine or another halogen.

modifier noun: halogen

"a halogen bulb"

Answer 2

Answer:

if a = 50 then b is 50

Step-by-step explanation:

opposite angles are same

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