Presentation Transcript
Welcome toP.J. Math :Welcome toP.J. Math By: Payton and Jon.
Question #1 :Question #1 If one side has 15cm. On both sides, and the height is 13cm. And the base is 14- cm. what is the area of this triangle? 15cm Height is 13cm.
Answer is… :Answer is… 91cm.2
Formula=Base x height divide by2
14 x 13= 91cm2
Slide 4:If we want to put a boarder around the star and all the sides are 5.5 cm. How much fabric will be needed? 5.5cm.
Answer is…. :Answer is…. 44cm.
Formula= Add all sides together.
5.5 +5.5+5.5+5.5+5.5= 44cm.
Slide 6:If we were painting this table, and the length of all the sides are 60cm. How much paint would we need to cover this table? 59 1/2cm.
Answer is…. :Answer is…. 3,3642
Formula=Length x width
59 1/2 X 59 1/2cm. = 3,364cm2
Slide 8:Ben wants to fill the brick with a poster. This brick is 19x40 cm. how much poster can he put on this brick? 19cm. 40cm.
Answer is … :Answer is … 760cm2
Formula= Length x Width
19cm x 40cm= 760cm2
Slide 10:If we wanted to out line this picture with a stream of ribbon. How much ribbon would we need? 11cm. 13cm. 18cm.
Answer is …. :Answer is …. 84cm.
Formula= add all the sides up.
11cm+11cm.+13cm+13cm.+18cm= 84cm.
Congratulations! :Congratulations! You made it past the questions. You are now a master at area and perimeter. Join us next time on P.J. Math!