Question

Find the missing angles in each of the following triangle.​

Answer 1

Answer:

1-50

2-20

3-52

4-60

Step-by-step explanation:

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Answer 2

Answer:

(i). 50 (ii). 20 (iii). 52 (iv). 60

Step-by-step explanation:

(i). since we know that a triangle has 180 degrees in total we can add 60+70 which equals 130 so then you subtract 180-130 which equals 50 so the third angle for (i). is 50 degrees.

(ii). You would start by adding 105+55 and you would get 160 and since we know that a triangle has 180 degrees total you would subtract 180-160 and you would get 20 so the third angle is 20 degrees for question (ii).

(iii). You would add 90+38 which equals 128 and we already know that a triangle has 180 degrees total so you would subtract 180-128 and you would then get 52 so for question (iii). the measurement of the third angle is 52 degrees.

(iv). You would start by adding 60+60=120 and we know that a triangle has a total of 180 degrees so then we would subtract 180-120 and we would get 60 so the measurement for question (iv). is 60 degrees.

And please let me know if this helps at all.