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lyudmila [28]
3 years ago
15

I need help with this problem

Mathematics
1 answer:
vitfil [10]3 years ago
6 0

Answer:

all of the triangles are right triangles

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a trapezoid has base lengths of 6 and 15 centimeters with an area of 136.5 square centimeters. What is the height of the trapezo
MrRa [10]
•*Ok first let me show you the formula for the Area of the trapezoid.
A=a+b/2 h.(I will be using the letter x for the multiplication sign)
 
*And here is the formula to find the height of a trapezoid
h=2 x A/a+b (2 times the Area over base "a" plus base "b")


*We need to plug in the numbers: h = 2 x 136.5/6+15
*Next, we add the two bases to get 21: 6+15=21 (h=2 x 136.5)  
*Then, divide the total of the two bases (21) from the area to get 6.5: 136.5/21-6.5
*Finally we multiply 2 by 6.5: 2 x 6.5= 13
The height if this trapezoid is 13.

Hope this helps you ☺
3 0
3 years ago
Plzzzzzzzzzzzzz help
bija089 [108]

Answer:

i think it's circumference

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Carol used 1.8 gallons of paint for a barn.She used 1/5 of the remaining paint for a dog house. She had 2/7 paint left. How much
Lilit [14]
1 4/5 + 1/5 + 2/7 =

1 28/35 + 7/35 + 10/35 =

1 45/35 = 2 35/45 =

2.78 gallons rounded to the nearest hundredth
5 0
3 years ago
PLS HELP the LAST QUESTION, please...
Alex73 [517]

Answer:

280 Cubic inches

Step-by-step explanation:

When finding the volume, the equation is V=l*w*h

Therefore, the equation should be:

10.1*3.9*6.8

This is equal to exactly 267.852

However, the answer is 280 cubic in. because it's a larger number and it's about 13 from the actual answer. On the other hand, 250 cubic in. is about 17 from the actual number.

7 0
3 years ago
To form
Andreas93 [3]

Answer:

40 toothpicks

Step-by-step explanation:

3 times 4 equals 12, so I would multiply 10 times 4 and get 40.

7 0
3 years ago
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