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Jet001 [13]
3 years ago
12

HELP NEEDED! ^^

Mathematics
1 answer:
____ [38]3 years ago
4 0

Answer:

B - 18

Step-by-step explanation:

Area of a right triangle

1/2 * b * h

1/2 * 9 * 4

1/2 * 36

18

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Please help:<br> In Δ ABC, sin A= 77, sin C= 23, and c =16, find the length of A.
Dafna1 [17]

Answer:

39.9

Step-by-step explanation:

a/sinA = c/sinC

a/sin(77) = 16/sin(23)

a = sin(77) × 16/sin(23)

a = 39.89935764

3 0
3 years ago
Right triangle ABC is on a coordinate plane. Segment AB is on the line y = 2 and is 3 units long. Point C is on the line x = -1.
IgorLugansk [536]

Answer:

The possible y-coordinate of point C is 6

Step-by-step explanation:

The coordinate of a point is given by (x,y) where x is the horizontal distance from the origin on the x axis and y is the vertical distance from the origin.

Given Segment AB is on the line y = 2 and is 3 units long and Segment AB is on the line y = 2 and is 3 units long. The area of triangle ABC is 6 square units.

The area of a triangle = 1/2 × base × height

6 = 1/2 × 3 × height

height = (2 × 6) / 3 = 4 units

Since point C is perpendicular to line y = 2, they coordinates is either 2 + 4 = 6 or 2 - 4 = -2

The coordinate of point C is either (-1, 6) or (-1, -2)

7 0
3 years ago
How do we use inclined planes? give an example<br><br>How is a wedge related to a inclined plane?
mixer [17]
You use inclined planes by putting an object on something and push it down like a ramp.
6 0
3 years ago
Read 2 more answers
How do you solve 1/4 (8y + 4) -17= 1/2 (4y -8)
Keith_Richards [23]
Well use photo math that will give u the answer and how to work it out
3 0
3 years ago
Two of the angles in a triangle measure 149° and 90. What is the measure of the third<br> angle?
Inga [223]
Third angle =180° - (149° + 9°)
= 22°
Thanks me if is correct!
7 0
3 years ago
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