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2 years ago

Can you use the perpendicular bisector theorem converse to determine if two segments are perpendicular?

Mathematics

1 answer:

nadya68 [22]2 years ago

6 0

If AD and DB are equal that means that this is an isoselles triangle so we can use that information and the perpendicular bisector theorem to confirm that AB is perpendicular to CD

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M < CDE is 82.5°, what is the measure of its complement?

disa [49]

Answer:

7.5°

Step-by-step explanation:

Complementary angles add up to 90°. 90 - 82.5 = 7.5

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3 years ago

Please help!! I think it's 0 but I'm not sure

abruzzese [7]

The answer is infinitely many due to the simplified equation of both being 2x+1y=0

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4 years ago

Use a compass and straightedge to construct an equilateral triangle using the length (AB) ̅ for the sides.

Nostrana [21]

For a better understanding of the solution provided here please go through the diagram in the file attached.

Let us begin the construction of the triangle in a step by step fashion.

Step 1 Take AB as the base.

Step 2 Take the point of the compass and place it on A and take the width of the compass to be AB.

Step 3 Make an arc (as shown in green for convenience).

Step 4 Now, take the point of the compass and place it on B keeping the width of the compass to be AB.

Step 5 Make an arc (as shown in yellow for convenience) such that it intersects the arc made in Step 3 at the point C.

Step 6 Join the points A and C, and B and C.

The made triangle is the required equilateral triangle, $\Delta ABC$ . All the sides will be equal to the length AB.

3 0

3 years ago

A. Determine the length of the converging and diverging sections of the rocket nozzle by treating the converging section as a co

Leno4ka [110]

Answer:

Nozzle is a device made to control the the flow rate of fluid, as it exits or enters an enclosed chamber.

Nozzle can be convergent, made to accelerate the flow of fluid or divergent, made to reduce the flow of fluid.

A de Laval nozzle has covergent and divergent nozzle, abbrevated as CD Nozzle.

Step-by-step explanation:)

By applying principle of conservation of mass, as follows

m = p * V * A ( where, p = density; V = velocity of fluid surrounding the body of the chamber; A = area at exit of nozzle and m = mass of flow rate

By taking dimension of the converging section as a cone

The curved area of a cone, A = π*r*l ( where r = throat radius; l = length of the CD section of the nozzle)

Hence, m = p * V * π * r * l

∴ lenght of CD, l = m/p * V *π* r

b) The throat radius of nozzle, r = m/p* V *π* l

4 0

3 years ago

Who can tell this answer

DanielleElmas [232]

$(16*16*16)+(10*8.5*16)=4096+1360=5456(in^{3} )$

4 0

4 years ago

Read 2 more answers