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zhannawk [14.2K]
3 years ago
14

What is the area of a triangle that has a base of 10 ft and a height of 5 ft? A-15ft B-7.5ft C-25ft D-50ft​

Mathematics
1 answer:
weeeeeb [17]3 years ago
3 0

Answer:

25

Step-by-step explanation:

formula for triangle is (b*h)/2=A

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WILL REWARD/// BRAINLIEST/// 30 POINTS
Vanyuwa [196]
Sinα=(opposite side)/hypotenuse

cosα=(adjacent side)/hypotenuse

tanα=(opposite side)/(adjacent side)

In a right triangle the longest side is the hypotenuse.

If one angle opposite a side is α, the angle opposite the other side is 90-α (because the sum of all angles must be 180° for any triangle)

I hope that helps as your question is not really clear, if you have any more specific questions, I'd be happy to help out. :)
7 0
3 years ago
Read 2 more answers
An orange triangular warning sign by the side of the road has an area of 266 square inches. The base of the sign is 9 inches lon
pashok25 [27]

Answer: the base is 28 inches. The altitude is 9 inches

Step-by-step explanation:

Let h represent the altitude of the sign.

Let b represent the length if the base of the sign.

The warning sign is triangular in shape.

The formula for determining the area of a triangle is expressed as

Area = 1/2bh

The base of the sign is 9 inches longer than the altitude. This means that

b = h + 9

If the area of the sign is 266 square inches, it means that

266 = 1/2 × h(h + 9)

266 × 2 = h(h + 9)

532 = h² + 9h

h² + 9h - 532 = 0

h² + 28h - 19h - 532 = 0

h(h + 28) - 19(h + 28) = 0

h(h + 28) - 19(h + 28) = 0

(h + 28)(h - 19) = 0

h = 19 or h = - 28

Since the height cannot be negative, then h = 19

b = h + 9 = 10 + 9

b = 28

5 0
3 years ago
Which of the following determines a plane?
Cerrena [4.2K]

Answer:

Answer B

3 non collinear point

5 0
3 years ago
Find the lowest common denominator for this pair of
Ganezh [65]

Answer:

b

Step-by-step explanation:

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3 years ago
Combine the like terms to create an equivalent expression. 7k - 3k + 11
Semenov [28]
I believe the answer is 4k + 11
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3 years ago
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