Question

12. The perimeter of a rectangle with width 10 in. and length 13 in. is ___. Be sure to include units.

13. The area of a triangle with base 19 inches and height 11 inches is ___ square inches.

14. The area of a circle with a radius of 15 inches, the the nearest tenth, is ___ square inches. Use. 3.14 for pi.

Answer 1

No. I don't know this. please help me!

Answer 2

2(l+b) is the perimeter of a rectangle. now can you put the values in the formula and do it?

Answer 3

2(10+13)

Answer 4

put length in the place of l and width in the place of b

Answer 5

yeah right..so what is the answer my dear

Answer 6

46

Answer 7

units is inches since length and width are given in inches

Answer 8

so shall we go to next one..area of a triangle?

Answer 9

Yes please

Answer 10

1/2*base*height is the formula for area of triangle

Answer 11

Wait, what are the units for the rectangle?

Answer 12

units is inches since length and width are given in inches for the rectangle question

Answer 13

so it is 46 inches?

Answer 14

yeah

Answer 15

Ok...for number 13.

Answer 16

now calculate area of triangle.i 've given formula in earlier reply

Answer 17

1/2*base*height

1/2=9.5
9.5 x 11?

Answer 18

go ahead..right

Answer 19

71. 5

Answer 20

no dear..do it properly

Answer 21

I don't understand...

Answer 22

9.5 x11 is 71.5

Answer 23

Isn't it?

Answer 24

it is 104.5

Answer 25

11X9 itself is 99..so 11X9.5 will be more than 99..isn't it..!

Answer 26

@KimberlyAlice ..are you there..?

Answer 27

Yes

Answer 28

104.5

Answer 29

any doubt..?shall we go for next one?

Answer 30

No. Let's go to the next please

Answer 31

yeah..let's solve the area of circle

Answer 32

area of circle is PI * r^2

Answer 33

okay

Answer 34

3.14 *15*15

Answer 35

706.5
rounded to the nearest tenth would be 710!!

Answer 36

Can you help me with some other questions?

Answer 37

if you post them quickly..i can do it

Answer 38

How would you write the name of a segment differently than the name of a line? what symbols would you use?

How is constructing a perpendicular bisector similar to constructing an angle bisector? how is it different?

Describe a process you would use to create the perpendicular bisector to a segment AB using only an unmarked straightedge and an unmarked compass.

Answer 39

@BIOCRYSTAL can you help me with these??