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rjkz [21]
3 years ago
7

Quadrilateral ABCD is a rhombus with an area of 20 square inches.

Mathematics
1 answer:
Ugo [173]3 years ago
8 0

Answer:

area of rhombus =1/2 d1×d2

20=1/2 ×10×d2

d2=4

intersection of diagonal make right angle and cut in equal parts

d1/2=10/2=5

d2/2=4/2=2

use Pythagoras in right angle to bide side

side^2= 5^2 +2^2

side = √29

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Extra points// mathematics
Rzqust [24]

Answer:

B

Step-by-step explanation:

using Pythagoras' theorem in the right triangle, then

c² = a² + b² = (2\sqrt{3}) ^{2} + (3\sqrt{2)} ^{2}

c² = (4 × 3) + (9 × 2) = 12 + 18 = 30

take the square root of both sides

c = \sqrt{30} → B


3 0
3 years ago
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The length of the sides of a triangular garden are 10m 11m 13m.Find the measure of the angle opposite the longest side to the ne
Kaylis [27]
C^2=a^2+b^2-2abcosC
13^2=10^2+11^2-2×10×11×cos(°)
169=100+121-220cos(°)
220cos(°)=100+121-169
220cos(°)=52
cos(°)= 13/55
°=cos-1(13/55)
°=76.328°
3 0
3 years ago
The length of a rectangle is 4 yd longer than its width. If the perimeter of the rectangle is 48 yd, find its area.
bagirrra123 [75]
48 = 2(w+4) + 2w
48 = 4w+8
40 = 4w
w= 10 yd
A= 10 * 14
A = 140 yd
7 0
3 years ago
A Ferris wheel has a radius of 48 feet. What is the distance a passenger will travel one time around the Ferris wheel?______ fee
dolphi86 [110]

radius = 48 feet

a = πr²

a = 3.14(48)²

a = 3.14 x 2304

a = 7234.56 feet

a = 7234.6 feet

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3 years ago
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Answer:

The answer is letter E.........

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