Ross's Surface Area post

Rectangular Prism

T F S

Lxw Lxw Lxw

5x10=50 6x10=60 5x6=30

TSA=2(T+F+S

=2(50+60+30)

=2(140m

Triangular Prism

Lxw

10x5=50

Lxw

9x5=45

Lxw

8x5=40

TSA:50+45+40+36+30=207cm

Cylinder TSA=301.44+50.24+50.24

Lxw =401.92cm

=12x25.12

=301.44

Bxh 3x5x8.5=63.75m

Bxh 20x8x16=160cm

V=lxwxh 4x8x6.5=104cm

104 x3=39cm

___

8

V=3.14x15x12

=282.6cm3

Ross's pythagorean relationship

A pythagorean relationship:
a sq+b sq=c sq

Figure out the side lengths of a triangle.
Try to find your answer.


Think if its a right triangle or not.
Show your work.

Ross's Pythagoras blog post

5. Martin measured a rectangle and wrote:
Width:9cm length:22cm Diagonal 23.8cm
Could these measurements form a rectangle?Justify your answer.
Yes it can form to a rectangle.

6.Your asked to check the design plans for a baseball diamond. Is it a right triangle?
Hypotenuse:27m
27x27=729m
No its not a right triangle.


7.What is the height of the wheel chair ramp?
Give answer to the nearest tenth.
The height of the wheel chair ramp is 9cm.

Ross's percent post

4.a)101%
need two grids to show 101%

b)589%
You need 5 or 6 grids to finish.

c)1450%
need lots of grids to show this number.

5.a)1.7%
b)1.3%
c)50.1%
d

7. need grid to show