3 years ago

A

Mathematics

1 answer:

Readme [11.4K]3 years ago

6 0

Answer:9.22

First, 670 rounded to the nearest ten is:

670

Second, 72.7 rounded to 1DP is:

well, 72.7

a÷b is:

9.2159

9.22 (2 DP)

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DerKrebs [107]

Angle sum of a triangle = 180°

Type of Triangle: Isosceles.
Therefore, 2 of the angles are equivalent.

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50 = 50

Meaning that the sum of the 2 angles is 100°.

( 5y + 10 ) + 2x + 50 = 180
5y = 180 - 100 - 10
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ANSWER:
y = 14°

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4 years ago

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Step-by-step explanation:

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