It’s really hard...pls help

2 answers:

7 0

Answer:

Step-by-step explanation:

360 - (110+80+90) = 80

4 0

Answer:

80°

Step-by-step explanation:

360-110-90-80

Angles outside a circle add up to 360°

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Reptile [31]

I think the answer is Obtuse

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3 years ago

tester [92]

Answer:

Step-by-step explanation:complementary angles

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aivan3 [116]

It is 12 because you divide 60/100 by 5/5

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Ne4ueva [31]

GCF of 60 & 90 is 30

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2 years ago

ElenaW [278]

Since $\mathbf u+\mathbf v=(-4+4)\,\vec i+(1+1)\,\vec j=2\,\vec j$

so the norm is

$\|\mathbf u+\mathbf v\|=\sqrt{2^2}=2$

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4 years ago