Thursday, September 23, 2010

Rectangle

What is a rectangle?

Find the perimeter of the rectangle of sides 9m and 8m
Sol:
Step 1: Let, l = 9m, w = 8m
Step 2: Perimeter of the rectangle = 2 (l + w)
Step 3: Perimeter of the rectangle = 2 (9+ 8)
= 2 (17)
= 34m
Result: Therefore, Perimeter of the rectangle = 34m
My next blog is on:
Circle equation
other helpful links:
mod calculator


Friday, September 17, 2010

Solving equations

Solve the equation
Analytic algebraic equations are altered from added equations. Algebraic functions are alternate and they can accept again their values. The absolute amount of solutions is accustomed for algebraic equations.
Solving algebraic equations are not angles such as absolute numbers. The blueprint is involving a individual action of a individual bend and it is acclimated to break the action value.
The action amount is analytic again after wards analytic the angle. We have to address the band-aid as an arc function.

Tuesday, September 14, 2010

5th Grade Maths

Grade 5 maths

Javier rode the alternation from Boston to Baltimore. The alternation larboard Boston at ten o'clock. It accustomed in Baltimore seven hours and thirty-five account later. What time was it if Javier got off the alternation in Baltimore?
Solution:
Acquisition the starting time in the story. Ten o'clock agency 10:00.
Start: 10:00Add: 7 hours and 35 minutes
Acquisition the catastrophe time.
Count by hours to acquisition 7 hours afterwards 10:00. This is 5:00.
Now add 35 account to 5:00. This is 5:35.
The catastrophe time is 5:35.
Answer: The catastrophe time is 5:35.

Wednesday, September 8, 2010

Formulas De Areas

Formulas de Areas:
1) Calculate the area of rectangle given the length is 14 m and width is 12 m.
Answer: 168
2) Find area of a square of side length 22 cm.
Answer: 484
3) Find the area of triangle given base is 15 cm and height is 25 cm.
Answer: 187.5
4) Find area of a parallelogram through base of 40 cm and a height of 30 cm.
Answer: 1200

Friday, September 3, 2010

Trigonometric Circle

Trigonometric circle:

Trigonometric functions are usually specific as proportion of seven surface of a right triangle include the angle, and be able to similarly be sure as the lengths of different line segments from a circle.

More new denotation an boundless sequences or as solutions of sure different equations, allows their expansion to subjective positive and negative principles and complicated numbers. The sine and cosine functions are with usually use to model periodic function.

Polygon Cycles

Polygon cycles:

In geometry, a circumscribed (polygon cycle) area of a polyhedron is a area that contain the polyhedron & touches every of the polyhedron's vertices. The text circumsphere is sometimes used to denote the similar thing. When it exists, a circumscribed area need not be the least area contain the polyhedron; for example, the tetrahedron formed by a vertex of a cube & its four neighbors has the similar circumsphere as the cube itself, but can be limited within a lesser area having the four near vertices on its equator.

Thursday, September 2, 2010

Basic Rules Of Denominator

Denominator

Surds are natural numbers which are written in square root form or cube root form or so on. & hence in other terms surds are irrational numbers. Surds Denominator is now defined as the denominator part of a fraction where the fraction consists a surd in the denominator of the fraction.
Examples for Surds Denominator are as below.

Basic rules to solve problems with denominators:
  • First we find the least common divisor of all the denominators.
  • Multiply each term by the least common divisor
  • Simplify by cancellations and multiplying
  • Group like terms and add to get an equation form
  • Solve the equation to get the value of the variable.