Answer:
Wave speed is the distance that a wave travels in a given amount of time. Wave speed is related to wave length and wave frequency. Wave frequency can be found by using the formula Speed=wavelength × frequency
Step-by-step explanation:
Answer:
55+x+74+54= 180 degree ( being the sum of all angle of the triangle )
or, 183 +x = 180degree
or, x=(180-183)degree
or, x= -3degree ans
Answer:
Miss <em>g</em>ur<em>l</em>... the question not <u>g</u><u><em>i</em></u><u>v</u><u><em>i</em></u><u>ng</u> what its supposed to <em>g</em><em>a</em><em>v</em><em>e</em>
Step-by-step explanation:
Answer:
21.4 mm
Step-by-step explanation:
area ÷ base = height
164.78 mm^2 ÷ 7.7 mm
21.4 mm
Check:
base • height = area
7.7 mm • 21.4 mm = 164.78 mm^2