What is the area of the triangle?PLSSS help me

Mathematics

1 answer:

AveGali [126]3 years ago

8 0

Answer:

The area of the triangle is $A=6 \:units^2$ .

Step-by-step explanation:

The area A of a triangle is given by the formula $A=\frac{1}{2} bh$ where b is the base and h is the height of the triangle.

From the graph, we can see that the base is 3 units and the height is 4 units. Therefore, the area of the triangle is

$A=\frac{1}{2} \cdot3\cdot 4=\frac{12}{2}=6 \:units^2$

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Find the volume of the sphere shown to the right. Give an answer in terms of pi and rounded to the nearest cubic unit.

Vladimir [108]

The correct answers are:
Exact volume = $V = \frac{32}{3} \pi$ in^3
Approximate volume = V = 33.51 in^3

Explanation:

The volume of the sphere is: $V = \frac{4}{3} \pi r^3$

Since r = 2 in

Hence
$V = \frac{4}{3} \pi (2)^3 \\ V = \frac{32}{3} \pi$ in^3 (exact)
V = 33.51 in^3 (approximate)

5 0

3 years ago

Please help i don’t understand

olganol [36]

9514 1404 393

Answer:

Step-by-step explanation:

Vertical angles share a vertex point, and have opposite rays for sides. In short, they are across the point of intersection from each other. Vertical angles do not have a common side (they are not adjacent).

The first part of the problem is to identify angle NCA. That is shown in red in the attachment. The vertical angle is across the point of intersection. It is angle 3.