Question

give an account of some common earthquake prediction methods locally by people plzzzzzzzzzz fast​

Answer 1

Explanation:

see behavior of animal,special birds,dogs, etc...

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Answer 2

Explanation:

GIVEN :-

Tʜᴇ ғᴏᴜʀ ᴀɴɢʟᴇs ᴏғ ᴀ ǫᴜᴀᴅʀɪʟᴀᴛᴇʀᴀʟ ɪs ɪɴ ᴛʜᴇ ʀᴀᴛɪᴏ \bf\red{1\::\:2\::\:3\::\:4\:}1:2:3:4 .

TO FIND :-

Tʜᴇ ᴍᴇᴀsᴜʀᴇ ᴏғ ᴇᴀᴄʜ ᴀɴɢʟᴇ ᴏғ ᴛʜᴇ ǫᴜᴀᴅʀɪʟᴀᴛᴇʀᴀʟ .

SOLUTION :-

ʟᴇᴛ,

Tʜᴇ ғᴏᴜʀ ᴀɴɢʟᴇs ᴏғ ᴛʜᴇ ǫᴜᴀᴅʀɪʟᴀᴛᴇʀᴀʟ ᴀʀᴇ,

\bf\red{X}X

\bf\red{2X}2X

\bf\red{3X}3X

\bf\red{4X}4X

ᴡᴇ ʜᴀᴠᴇ ᴋɴᴏᴡ ᴛʜᴀᴛ,

\red\checkmark\:\bf\purple{Sum\:of\:angles\:of\:a\:quadrilateral\:=\:360^{\degree}\:}✓Sumofanglesofaquadrilateral=360

°

➳ X + 2X + 3X + 4X = 360°

➳ 10X = 360°

➳ X = 360/10

➳ X = 36°

\huge\red\therefore∴ The four angles of the quadrilateral are,

\bf\pink{X}X = 36°

\bf\pink{2X}2X = 2 × 36° = 72°

\bf\pink{3X}3X = 3 × 36° = 108°

\bf\pink{4X}4X = 4 × 36° = 144°