Yayainous4750 Yayainous4750

12-02-2022
Mathematics

contestada

Find the unknown side lengths and angle measures.
Round the lengths to the nearest tenth and the angle measures to the nearest degree.

Find the unknown side lengths and angle measures Round the lengths to the nearest tenth and the angle measures to the nearest degree class=

Respuesta :

xenia168 xenia168

12-02-2022

Answer:

Step-by-step explanation:

m∠D = 90° - 51° = 39°

sin E = [tex]\frac{DE}{DF}[/tex] ⇒ DE = DF × sin E

DE = 18 sin51° ≈ 14.0 ft.

cos E = [tex]\frac{EF}{DF}[/tex] ⇒ EF = DF × cos E

EF = 18 × cos51° ≈ 11.3 ft.

Ver imagen xenia168

Answer Link

Otras preguntas

The War Powers Resolution states that a president may decide on his own to send troops into battle; however, the president must also do which of the following?

What were some of the problems that faced President Vladimir Putin in Russia?

The range of the following relation R {(3, −2), (1, 2), (−1, −4), (−1, 2)} is

positive and negative things about being a knight

A wheel makes 45 revolutions in 1 min. At this rate, how many revolutions will the wheel make in 15 min?

Convert the Cartesian equation x^4 - y^4 = 16 to a polar equation? r^2 = 16/cos2θ r^4 = 16/cos2θ r^2 = 8

Convert the polar equation r^2 = 2sin2Ө to a Cartesian equation. Answer choices: (x^2 + y^2)^2 = 2xy (x^2 + y^2)^2 = 4xy (x^2 + y^2)^2 = 2y^2

What are the coordinates of the turning point for the function f(x) = (x − 2)3 + 1?

If x = 2.3, 5x = ____. (Input decimals only, such as 12.7.)

Which part of the root allows it to grow deep inside the soil in search of water?