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3 years ago

HELP WITH MY GEOMETRY REVIEW

Mathematics

1 answer:

hammer [34]3 years ago

5 0

1. Corresponding angles
2. Supplementary angles
3. Same side interior angles
4. Alternate interior angles

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someone please explain to me how to find the area PLEASE! Find the area and perimeter of quadrilateral ABCD below. Explain your

Lunna [17]

Answer:

Part A) The area of the figure is $24\ units^{2}$

Part B) The perimeter of the figure is $20\ units$

Step-by-step explanation:

step 1

Find the area of the figure

we know that

The area of the figure is equal to the area of triangle ABD plus the area of triangle BCD

The area of triangle is equal to

$A=\frac{1}{2}bh$

Area of triangle ABD

Observing the graph

$b=BD=(-2+8)=6\ units$

$h=(9-5)=4\ units$

substitute

$A=\frac{1}{2}(6)(4)=12\ units^{2}$

Area of triangle BCD

Observing the graph

$b=BD=(-2+8)=6\ units$

$h=(5-1)=4\ units$

substitute

$A=\frac{1}{2}(6)(4)=12\ units^{2}$

The area of the figure is

$12\ units^{2}+12\ units^{2}=24\ units^{2}$

step 2

Find the perimeter of the figure

we know that

The perimeter of the figure is equal to

$P=AB+BC+CD+AD$

we have

$A(-5,1),B(-8,5),C(-5,9),D(-2,5)$

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

Find the distance AB

$d=\sqrt{(5-1)^{2}+(-8+5)^{2}}=5\ units$

Find the distance BC

$d=\sqrt{(9-5)^{2}+(-5+8)^{2}}=5\ units$

Find the distance CD

$d=\sqrt{(5-9)^{2}+(-2+5)^{2}}=5\ units$

Find the distance AD

$d=\sqrt{(5-1)^{2}+(-2+5)^{2}}=5\ units$

substitute the values

$P=5+5+5+5=20\ units$

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3 years ago

Nora is twice as old as Raj and half as old as Ethan. In 22 years' time. Ethan will be twice as old as Raj. Find Nora's current

Studentka2010 [4]

Answer:

44 because 22 multiplied by 2 is 44

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2 years ago

What is the greatest common factor of 30,48,and 60

VARVARA [1.3K]

The GCF of 30, 48, and 60 is 6.

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3 years ago

Solve for x 4x(x+1)=(2x-3)(2x+5)

natima [27]

The pic is your answer.

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3 years ago

Help I will be marking brainliest!! A. 55.33 B. 156.16 C. 72 D. 61.16

Lena [83]

Answer:

the answer is a

Step-by-step explanation:

if you compare pm and qn pm is shorter so you see its only a little bit longer then that so its close to there.

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3 years ago