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Hatshy [7]
3 years ago
15

I need help to the attachment down below, first answer gets 5 stars and a thanks!

Mathematics
2 answers:
neonofarm [45]3 years ago
8 0

Answer:

15 units

Step-by-step explanation:

From question statement, we observe that

Area of triangle and height of triangle is given.

Area = A = 52.5 square unit    and Height = h = 7 unit.

We have to find the base of triangle.

Base = b =?

The formula to find the Area of triangle is:

Area = 1/2 × base ×height

Hence, base = (2 ×Area ) / height

Putting the given values in above formula, we have

base= (2×52.5) / 7

base = 105 / 7

base = 15 units

15 units is the base of given triangle.

Gekata [30.6K]3 years ago
3 0

Answer:

base = 15 units

Step-by-step explanation:

We are given area of a triangle = 52.5 sq. units

Height is given as 7 and we have to find the base.

Using formula for area of triangle:

Area of triangle = \frac{base*height}{2}

52.5 = \frac{base*height}{2}

52.5 = \frac{base*7}{2}

52.5 * 2 = base × 7

105 = base × 7

base = 15

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Answer:

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Step-by-step explanation:

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Hint: | Distribute 2 over a + 5.

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(2 a + 10) - 1 = 3

Hint: | Group like terms in 2 a - 1 + 10.

Grouping like terms, 2 a - 1 + 10 = 2 a + (10 - 1):

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Hint: | Evaluate 10 - 1.

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Hint: | Isolate terms with a to the left hand side.

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Step-by-step explanation:

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