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3 years ago

Can someone help me with this math problem?

Mathematics

2 answers:

vitfil [10]3 years ago

8 0

Answer:

∠ B ≅ ∠ E

Step-by-step explanation:

Since the triangles are congruent then corresponding angles are congruent

ABC ≅ DEF

The corresponding angles are B and E

trapecia [35]3 years ago

7 0

Answer:

The answer is $\angle B\cong \angle E$

Step-by-step explanation:

Given that

$\Delta ABC \cong \Delta DE$ $F$

Hence corresponding angles are congruent

$\angle B\cong \angle E$

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djyliett [7]

Answer:

A number is more than five

Step-by-step explanation:

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3 years ago

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Please answer these three questions. Thanks :-)

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4 years ago

Sarah’s stands on a ground and sights the top of a steep Clift at a 60 degree angle of elevation she then steps back 50 meters t

SashulF [63]

Answer:

Cliff is 45 m tall.

Step-by-step explanation:

Given:

Height of Sarah = 1.8 m

Angle of elevation = 60°

Angle of elevation 50 m back = 30°

As shown in the figure we have two right angled triangles SPQ and SPR.

Let the height of the cliff be $h$ meters and $h= h_1+h_s$ .

Using trigonometric ratios:

tan (Ф) = opposite/adjacent

In ΔSPQ. In ΔSPR.

⇒ $tan(60) = \frac{h_1}{x}$ ...equation (i) ⇒ $tan (30)=\frac{h_1}{x+50}$ ...equation (ii)

Dividing equation (i) and (ii)

⇒ $\frac{tan(60)}{tan(30)} = \frac{h_1}{x} \times \frac{x+50}{h_1}$

⇒ $3 = \frac{x+50}{x}$

⇒ $3x=x+50$

⇒ $3x-x=50$

⇒ $2x=50$

⇒ $x=\frac{50}{2}$

⇒ $x=25$ meters

To find $h_1$ plugging $x=25$ in equation (i)

⇒ $h_1=x\times tan(60)$

⇒ $h_1=25\times 1.73$

⇒ $h_1=43.25$ meters

The height of the cliff from ground :

⇒ $h= h_1+h_s$

⇒ $h= 43.25+1.8$

⇒ $h=45.05$ meters

The cliff is 45 m tall to the nearest meter.

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4 years ago

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8_murik_8 [283]

There are three outcomes of 4 out of eighteen outcomes, so the fraction of angle of spinner numbered 4 is $\frac{3}{8}$

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4 years ago

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Find the surface area of a rectangular prism with a height of 4 yards, a length of 6.2 yards, and a width of 3.15 yards. Write y

andreyandreev [35.5K]

Answer:

Below.

Step-by-step explanation:

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7 0

2 years ago

Can someone help me with this math problem?​

Can someone help me with this math problem?