Answer:
x = 2 degree and unknown angle = 31 degree
Step-by-step explanation:
149 + 13x + 5 =180 degree (being linear pair)
154 + 13x = 180
13x = 180 - 154
x = 26/13
x = 2 degree
unknown angle = 13x + 5
=13*2 + 5
=26 + 5
=31 degree
The answer is A
10-2sqrt21
Answer:
100 ft sq.
Step-by-step explanation:
A square means all sides are equal.
Area = bxh
10 ft x 10 ft = 100 ft sq.