Determine the area of the triangle.

Mathematics

2 answers:

REY [17]3 years ago

4 0

Answer:

$198.4cm^{2}$

Step-by-step explanation:

The formula for the area of a triangle is $\frac{base*height}{2}$

To work this out you would first need to multiply the base of 24.8 by the height of 16. This is because working out the area of a triangle is similar to that of a square, which gives you 396.8. Then you would divide 396.8 by 2, which gives you 198.4. This is because by just multiplying the base by the height you are calculating the area of a square, so you would divide it by 2 to find the area of a triangle.

1) Multiply 24.8 by 16.

$24.8*16=396.8$

2) Divide 396.8 by 2.

$396.8/2=198.4cm^{2}$

coldgirl [10]3 years ago

3 0

Answer:

396.8

Step-by-step explanation:

Multiply them to each other.

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raketka [301]

Answer:

$\text{1. } v=16t+\frac{h-c}{t},\\\text{2. }90\:\mathrm{ft/s}, \\\text{3. Cannot be determined}$

Step-by-step explanation:

1. The initial equation given to us is $h=-16t^2+vt+c$ . Rearranging the equation to isolate $v$ , we have:

$vt=16t^2+h-c,\\\boxed{v=16t+\frac{h-c}{t}}$

2. Using the equation we rearranged in part 1, we can substitute given values:

$v=16(3)+\frac{131-5}{3},\\v=48+42=\boxed{90\:\mathrm{ft/s}}$

3. We see from our equation in part 1 ( $v=16t+\frac{h-c}{t}$ ) that when $t=0$ , the denominator of our fraction will be equal to 0. Since we cannot divide by 0, the velocity remains undefined and cannot be determined.