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MariettaO [177]
3 years ago
15

I need help please.(will give brainliest)

Mathematics
1 answer:
kolezko [41]3 years ago
3 0

Answer:

\sin 68^{\circ}=\frac{28}{x}

Step-by-step explanation:

In any triangle, the sine of an angle is equal to its opposite side divided by the hypotenuse, or longest side, of the triangle (o/h).

Therefore, we have:

\boxed{\sin 68^{\circ}=\frac{28}{x}}

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In rectangle ANHG, whose perimeter is 100, OP, PQ, and QR are congruent and mutually perpendicular and O is the midpoint of AN.
MariettaO [177]

Answer:

5

Step-by-step explanation:

The sum of adjacent sides of the rectangle is half the perimeter, 50, so ...

... AH = 50-40 = 10

Then ...

... OP +QR = 10 = 2×OP . . . . . QR ≅ OP

... OP = 5 = PQ . . . . . . . . . . . . PQ ≅ OP

6 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP NOO LINKS!!!
storchak [24]

Answer:

b

Step-by-step explanation:

3 0
3 years ago
In rhombus MOTH, angle HTM=(5x+6) degrees. If angle HMO=(12x-6)degrees, what is angle HMO?
forsale [732]

Answer:

m∠HMO=102°

Step-by-step explanation:

we know that

In a Rhombus the diagonals bisect the angles and opposite angles are equal

In this problem

Angles HMO and HTO are opposite angles

m∠HMO=m∠HTO

m∠HTM=(1/2)m∠HMO ----> because the diagonals bisect the angles and opposite angles are congruent

substitute the values

(5x+6)\°=(1/2)(12x-6)\°

solve for x

10x+12=12x-6\\12x-10x=12+6\\2x=18\\x=9

<em>Find the measure of angle HMO</em>

m∠HMO=(12x-6)°

substitute the value of x

m∠HMO=(12(9)-6)=102°

see the attached figure to better understand the problem

5 0
4 years ago
PLS HELP, WILL GIVE BRAINLIEST!
kirza4 [7]

Answer:

Step-by-step explanation:

x-30=14-3x

collect like terms: 4x=14+30

add numbers: 4x=44

divide both sides by 4

x=11

8 0
3 years ago
21, Given: AC=FC, CB = CD<br> Prove:
neonofarm [45]

Answer:

in triangle ACD and BCE

AC = EC

angle ACD = angle ECB ( COMMON ANGLE).

CB = CD

BY side and side criteria

triangle ACD is congruent to triangle BCE

so angle a is congruent to angle E

hence, proved

5 0
2 years ago
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