3 years ago

⦁ To the nearest tenth, find the perimeter of ∆ABC with vertices A(2,4), B(-2,1) and C(2,1). Show your work.

Mathematics

1 answer:

Colt1911 [192]3 years ago

5 0

We need the length of the sides.
AB=√(2-(-2))²+(4-1)²=√16+9=√25=5; BC=√4²+0=4; CA=√0+9=3. AB+BC+CA=5+4+3=12.

You might be interested in

At the North campus of a performing arts school 30% of students are music majors at the South campus 80% of the students are mus

OLEGan [10]

Answer:

It should be option B

Step-by-step explanation:

4 0

3 years ago

Doors for the small cabinets are 11.5 inches long. Doors for the large cabinets are 2.3 times as long as the doors for the small

tiny-mole [99]

The size of the large cabinets door = 2.3 * 11.5 = 26.45 inches
the board size in inches = 10 1/2 * 12 = 126 inches
number of doors = 126 / 26.45 = 4.76
so the number of doors = 4 doors

7 0

3 years ago

A drilling machine can drill 12 holes in 6 minutes.If the machine drill holes at a constant speed, it can drill holes in 25 minu

Zielflug [23.3K]

Answer:

Did you mean to ask how many holes can the drill drill in 25 minutes, then the answer is 50

7 0

2 years ago

A rectangle has an area 12cm². If the length of the rectangle is ( x + 1 )cm and the width is x cm, find the possible value(s) o

Komok [63]

X can be 3 because:
(3+1)(3)=(4)(3)=12
I believe that is the only possible value for x.
Good luck to you!

5 0

2 years ago

Read 2 more answers

Inequalities & problem solving<br>|3-2x/3|>5

shepuryov [24]

Work: 2x/2 > 5/2 =2.5. answer-2.5

5 0

3 years ago