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ryzh [129]
2 years ago
9

Answer: Need help with this plz

Mathematics
1 answer:
julsineya [31]2 years ago
8 0

Answer:

(a) 3x+28+5x+52+2x-10=180 (∠ sum of Δ)

                          10x+70=180

                                 10x=110

                                     x=11

(b) ∠C = 2x-10

           = 2(11)-10

           =  12°

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Answer:

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3 0
3 years ago
Solve for ∡1:
dmitriy555 [2]
It is given that, 20x + 4 + 2x = 180
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So, <span>∡1 = 20(8) + 4 = 160 + 4 = 164

In short, Your Answer would be 164

Hope this helps!</span>
3 0
3 years ago
Origin, one of the four characteristics of mapping rules, refers to _____. the use of a number that is not used again the use of
labwork [276]

Answer:

the use of a series of numbers with a unique origin indicated by the number zero.

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4 0
2 years ago
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