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Vesna [10]
3 years ago
7

Find the area of the following geometric figure.

Mathematics
2 answers:
Drupady [299]3 years ago
7 0
Do you mean altitude as hieght?
If so, the equation would be: A = b x h x 1/2
A = 15 x 12 x 1/2
The answer would be 90.
I may be a little rusty, but I think this is right.
klasskru [66]3 years ago
4 0

Answer:

The area of triangle is 90 m²

Step-by-step explanation:

We are given a triangle whose base is 15 m and altitude is 12 m.

We need to find the area of triangle.

Formula:

\text{Area of triangle }=\dfrac{1}{2}\times \text{base}\times \text{ altitude}

where. base = 15  m

Altitude = 12 m

Put the value of base and altitude into formula.

A=\dfrac{1}{2}\times 15\times 12

A = 90 m²

Hence, The area of triangle is 90 m²

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aev [14]

Answer:

53.13⁰

Step-by-step explanation:

Use sine:

sinθ=opposite/hypotenuse

sin∠A=4/5

∠A=sin⁻¹(0.8)=53.13010235415≈53.13⁰

8 0
3 years ago
help me do pls.If u don't know how to do,pls don't do or else u will be reported.I need it under 25 min thank u <3​
nevsk [136]
F is proportional to 1/x^2
distance = x
A reduction of 25 percent = 0.75x
Let’s put this in place of x
F = 1/(0.75x)^2
And simplify
F = 1/0.5625x^2

So you need to find the percentage increase from 1/x^2 to 1/0.5625x^2

So what does 1/x^2 multiply by to give 1/0.5625x^2

Written as an equation it is y/x^2 = 1/0.5625x^2
Multiply both sides by x^2
y = 1/0.5625
y = 1.778 (rounded to 3 decimal points)

So the decimal multiplier is 1.778 and so the percent increase is approximately 77.8%
8 0
2 years ago
Confused on what to do
timurjin [86]

Answer:

the answer is jk

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=-5%283.15-%5Cfrac%7B21%7D%7B20%7D%20%29%2B7" id="TexFormula1" title="-5(3.15-\frac{21}{20} )+7
Maksim231197 [3]
The answer is -7/2 or -3.5
8 0
3 years ago
A 25-foot ladder is leaned against a wall. If the base of the ladder is 7 feet from the wall, how high up the wall will the ladd
GenaCL600 [577]

Answer:

24ft

Step-by-step explanation:

Pythagorean Theorem!!

a^2 + b^2 = c^2

------------------------

In this case, the ladder is c, and the base is b.

------------------------

Plug the numbers in the formula.

a^2 + 7^2 = 25^2

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Solve.

a^2 + 49 = 625

a^2 -49 = 625 - 49

a^2 = 576

\sqrt{a^2} = \sqrt{576}

a = 24

8 0
3 years ago
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