I need the answers for optional exercise also (ch -areas of parallelograms and triangles ..i.email 9.4)
Class 9............
You can also add all the optional exercise's answers.........
Question
Maths
Oct. 21, 2018, 7:11 p.m.
Answer
A circus artist is climbing a 20meters long rope, which is tightly stretched and tied from the top of vertical pole to the ground. Find the height of the pole, if the angle by the rope with the ground level 30degrees
Maths
Oct. 21, 2018, 6:25 p.m.
Answer
Sin O = side opposite to angle O divided by
Hypotenuse
Sin 30° = Am divided by
Ao
1/2=Am /15
15/2=Am
Am =15/2
Plz explain what is SIN and how comes 1/2
Hypotenuse
Sin 30° = Am divided by
Ao
1/2=Am /15
15/2=Am
Am =15/2
Plz explain what is SIN and how comes 1/2
gjh
- Sir, can you give the videos of some important questions (that you are not give in important questions)?
Maths
Oct. 21, 2018, 2:28 p.m.
Answer
What is the value of the determinant?
|11 12 13|
|97 98 99|
|22y 24y 26y|
|11 12 13|
|97 98 99|
|22y 24y 26y|
A field is in form of a trapezium whose parallel sides are 25m and 10m. The non- parallel sides are 14m and 13m. Find the area of field
if the height of the triangle is root 3 times of its base find polynomial which represents the area of triangle
if the height of the triangle is root 3 times of its base find polynomial which represents the area of triangle
if the height of the triangle is root 3 times of its base find polynomial which represents the area of triangle