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scoray [572]
3 years ago
11

Explain why a +b=d.

Mathematics
1 answer:
Komok [63]3 years ago
8 0

Answer:a + b + c = 180 ( sum of angles in a triangle )

c + d = 180 ( adjacent angles are supplementary ), thus

a + b + c = c + d ( subtract c from both sides )

a + b = d

Step-by-step explanation:

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2 years ago
Solve for x. 4x + 5 = 20<br> a X = 5/4<br> b X = 15/4<br> c X = 3.5<br> d X = 15/3
Nonamiya [84]

Step-by-step explanation:

  • 4x+5= 20
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  • 4x= 15
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therefore the answer is option

b) X= 15/4

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3 years ago
An ostrich that is 108 inches tall is 20 inches taller than 4 times the height of a kiwi. What is the height of the kiwi in inch
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8 0
3 years ago
The ratio of the areas of the two squares is 25 to 9. The side length of the smaller square is 30 meters. How long is the side l
Ratling [72]
Ratios of Area of the two squares = 25:9
So then let the areas be A1 = 25A and A2 = 9A, A is common element
Side of the smaller area S2 = 30 meters
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We have area of smaller square as 9A = 900 => A = 100
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Step-by-step explanation:

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