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3 years ago

Can somebody please help me figure this out

Mathematics

2 answers:

lora16 [44]3 years ago

6 0

I’m pretty sure it’s bottom right

maw [93]3 years ago

5 0

It's the first one if I'm not mistaken

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Anyone can help me please?

mrs_skeptik [129]

Answer:

40% is what i think it is

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3 years ago

Grade 8 Math 8

puteri [66]

Yes they are all right

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3 years ago

Read 2 more answers

Determine the unknown angles in the diagram above. Please help!

Nana76 [90]

a and 143 are supplementary. So a + 143 = 180

a + 143 = 180 Subtract 143 from both sides.

a = 180 - 143

a = 37

b and 143 are vertically opposite angles and are equal

b = 143 degrees.

Interior angles on the same side of a transversal for parallel lines are supplementary

b + c = 180

143 + c = 180

c = 37

c + d + 85 = 180 degrees

37 + d + 85 = 180

d + 122 = 180

d = 180 - 122

d = 58

e = c They are vertically opposite.

e =37

All triangles have 180 degrees.

e + f + 90 = 180 degrees.

37 + f + 90 = 180

f + 127 = 180

f = 180 - 127

f = 53

G and 48 are opposite 2 equal sides. So G and 48 are equal

G = 48

h + 48 + 48 = 180

h + 96 = 180

h = 84

K and H are supplementary

K + H = 180

k + 84 = 180

k = 95

m+ k + d = 180

M + 95 + 58 = 180

M + 143 = 180

M = 37

the top angle is 2*m and 2m is bisected. You are using the m on the left.

P + 85 + M = 180

P + 85 + 37 = 180

P + 122 = 180

p = 180 - 122

p = 58

r + p are supplementary.

r + p = 180

r + 58 = 180

r = 180 - 58

r = 122

s + r + c + b = 360 All quadrilaterals have 360 degrees.

s + 122 + 37 + 143 = 360

s + 302= 360

s = 360 - 302

s = 58

6 0

4 years ago

In ΔABC, AC = BC, CD ⊥ AB with D ∈ AB , AB = 4 in, and CD = sqrt3 in. Find AC.

amid [387]

Check the picture below.

segments AC and BC are equal, that means that ABC is an isosceles triangle, with twin sides. Now the twin sides make twin angles on the opposite side, namely the angles at A and B are twins.

if the angles at A and B are twins, and CD is ⟂ to AB, there's only one possibility that can happen, and is if CD is an angle bisector at C.

an angle bisector like CD with twin angles on each side, will cut AB in two equal halves, therefore, if AB = 4, then AD = 2 and DB = 2.

8 0

3 years ago

Solve this 2 step equation<br> d/12 - 6 < 1

nadezda [96]

Answer:

d<84

Step-by-step explanation:

Let's solve your inequality step-by-step.

−6<1

Step 1: Simplify both sides of the inequality.

d−6<1

Step 2: Add 6 to both sides.

d−6+6<1+6

d<7

Step 3: Multiply both sides by 12.

12*(

d)<(12)*(7)

=d/12-6<1

3 0

3 years ago