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3 years ago

Figure ABCD is a rhombus. What other term describes figure ABCD?

2 answers:

meriva3 years ago

5 0

A rhombus is a quadrilateral, it has 4 sides.
A rhombus is a parallelogram, it has two pairs of opposite sides that are parallel.

Maslowich3 years ago

4 0

Paralellogram and quadrilateral and polygon

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How do you do this problem

gavmur [86]

The answer is B, pi*r/2
Steps
It is a square so each of the angles is 90 degrees (a quarter of 360). So, APD is a quarter of the circle circumference. A full circumference is 2*pi*r, so a quarter circumference is pi*r/2

7 0

3 years ago

132° 78° 2x° solve for x

Assoli18 [71]

Probably angles of a triangle

$\\ \sf\longmapsto 2x+78+132=180$

$\\ \sf\longmapsto 2x+210=180$

$\\ \sf\longmapsto 2x=|-30|=30$

$\\ \sf\longmapsto x=15°$

4 0

2 years ago

Solve Fast Please!!!!!!!!!!!!!! ok thanks, Bye (2x−5)^2−.5x<(2x−1)(2x+1)−15

Andrews [41]

Keep these rules in mind:

(a + b)² = a² + 2ab + b²
(a - b)² = a² - 2ab + b²
(a + b)(a - b) = a² - b²

Firstly, solve the exponent and multiplication:

$4x^2-20x+25-0.5x$

Next, combine like terms:

$4x^2-20.5x+25$

Next, subtract 4x² on both sides:

$-20.5x+25$

Next, subtract 25 on both sides:

$-20.5x$

Lastly, divide both sides by -20.5. And since you are dividing by a <u>negative</u>, flip the inequality sign:

$x>2$

<u>Your answer is x > 2.</u>

8 0

3 years ago

Marcie is going on a skiing vacation and is comparing the prices at two resorts, Alpine Fliers and Bob's Ski Bums.

spin [16.1K]

B. cost to ski per hour is more for Alpine, slope = 5$/hr. Slope for Bob's is 2.50$/hr. rate of increase is greater for Alpine.

E. Bob's has initial 10$ fee. Alpine is 0$ initial fee

5 0

2 years ago

Read 2 more answers

One angle of a triangle measures 60°. The other two angles are in a ratio of 7:17. What are the measures of those two angles?

lesya [120]

Answer:

35° and 85°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Since one angle = 60° then the sum of the other 2 angles = 120°

Sum the parts of the ratio 7 + 17 = 24 parts, hence

$\frac{120}{24}$ = 5° ← value of 1 pat of the ratio, hence

7 parts = 7 × 5° = 35°

17 parts = 17 × 5° = 85°

note that 60° + 35° + 85° = 180°

3 0

3 years ago