Question

please answer this question​

Answer 1

Answer:

In traingle RTS

ANGEL TRS+ANGLE RTS +ANGLE TSR =180°

ANGEL TRS+ANGLE RTS+ANGLE TSR=180°

ANGEL RTS +90°= 180°

ANGLE RTS=90°

Explanation:

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Answer 2

Number of notebooks = 24

Number of books = 18

∴ Ratio of notebooks to books = Number of notebooks : Number of books

= 24 : 18

= 2418

= 24÷618÷6 (HCF of 24 and 18 = 6)

= 43

= 4 : 3

Thus, the ratio of notebooks to books is 43 or 4 : 3.