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Yuki888 [10]
3 years ago
13

9 4 5 12 Find the area of the given triangle

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
8 0

Answer:

24 units²

Step-by-step explanation:

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Need help on this question
sergey [27]
Total Area: T.A.=2*Ab+Al

Area of the base: Ab=p*K

Semi-perimeter of the base: p
p=P/2
Perimeter of the base: P=20
p=P/2=20/2→p=10
Ab=p*k=10*K→Ab=10K

Lateral Area of the prism: Al
Al=P*h
Height of the prism: h=6
Al=P*h=20*6→
Al=120

T.A.=2*Ab+Al
T.A.=2*(10K)+120
T.A.=20K+120
T.A.=120+20K

Answer: (120+20K)



7 0
3 years ago
tim has a box of 15 markers. He gives 3 markers each to 4 friends..what expression can show the numbers of markers tim has left?
SOVA2 [1]
15-(3•4) = m

m=how many markers Tim has left.
8 0
3 years ago
Which of the following CAN be represented by the expression 15 + n?
butalik [34]

Answer:

The total number of students on the bus if there are 15 females and n males

Step-by-step explanation:

The total number usually means addition, as well as 15 females + n males would give you the total

3 0
3 years ago
Read 2 more answers
The midpoint of the sides of triangle ABC are labeled D, E, and F. If the perimeter of triangle DEF is 24 find the perimeter of
AleksAgata [21]
Ok well the only thing that makes since to me is that the triangle is a Equilateral Triangle, so all the sides are going to be the same. And if the perimeter is 24, then you divide that by 3, and you get 8. And if DEF is the midpoints of triangle ABC, then DEF is an upside down triangle in the triangle ABC. So all the sides of ABC are double whatever DEFs are. And DEFs were 8, so 8 times 2 is 16. And to get the perimeter you add that together 3 times and you get 48. So i'm not sure exactly how you would do this, but i'm pretty sure this is the way. If not i'm sorry i couldn't help. :(
8 0
3 years ago
Read 2 more answers
Antonio Ruiz pays a monthly premium of $175 for health insurance. He can purchase dental care and vision
otez555 [7]
Answer: $240.83
explanation:

Since he pays health insurance MONTHLY, you multiply 175x12=1200.

Since the others are yearly, just add those too 1,200.

1200+595+195=2,890.


Since you are looking for his monthly total you want to divide 2,890 by 12. Giving you the answer $240.83
5 0
3 years ago
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