Question

please awnser 51 points​

Answer 1

Step-by-step explanation: 10. Somya buys 12 books cost of each book=15rupees cost of 12 book =12×15=180rupees Ramya buys 10 books cost of each book =15 rupees cost of 10 book =15×10=150 rupees total money they have to give =150+180=330 rupees

11.HCF OF two no is 6 LCM of two no is 36 one no is 12 so HCF ×LCM =1no ×2 no 6×36=12×2no 6×36÷12= 2no 2no = 18

12.Greatest no using 4,0,3,7is 7430 smallest no using 4,0,3,7is 3047

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Answer 2

question no 11

Question no 12 :-

acute angle =

22⁰, 30⁰,42⁰

obtuse angle =

98⁰,110⁰, 127⁰

right angle =

90⁰

straight angle or linear angle =

180⁰

Step-by-step explanation:

1. Acute Angle:

An angle whose measure is less than 90° is called an acute angle.

2. right angle

An angle whose measure is 90° is called right angle.

3. Obtuse Angle:

An angle whose measure is greater than 90° but less than 180° is called an obtuse angle. 

4. Straight Angle:

An angle whose measure is 180° is called a straight angle.

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