Question

3. From the given figure, Find the value of x.
4x
40°
3x
P
O
Q
4. i) Define Rational Number
ii) Give the additive inverse of 3/14,-5/9
i) Explain the three types of triangles based on sides?
ii) What is the difference between Median and Altitude?​

Answer 1

Question : 4

(i) Define rational number.

Ans :- A rational number is a number that can be expressed in p/q form where q is not equal to 0.

Example of rational number :- 2/5 , 18/67 etc.

ㅤ‎‎‎‎ㅤㅤㅤ____________________

(ii) Give additive inverse of 3/14 ,-5/9

Ans :-

• Additive inverse of 3/14 = -3/14
• Additive inverse of 18/67 = -18/67

ㅤ‎‎‎‎ㅤ ㅤ‎‎‎‎ㅤ____________________

(iii) Explain three types of triangle based on sides.

Ans :- Three types of triangle are :

• Equilateral triangle : Triangle with all the sides equal
• Isosceles Triangle : Triangle with 2 sides equal and 1 side unequal.
• Scalene Triangle : Triangle with all the sides unequal.

ㅤ‎‎‎‎ㅤㅤㅤ______________________

(iv) What is the difference between median and altitude?

Ans :-

• Median : Median divides the triangle in 2 equal parts.
• Altitude : Altitude is the height of triangle.

ㅤ‎‎‎‎ㅤㅤㅤ_____________________

Answer 2

sorry i dont know these answer