dasnina7 dasnina7

20-06-2021
Mathematics

contestada

a b and c of a right angled are in the ratio 7:18:11

the smallest angle is 35

work out angles a b and c

Respuesta :

vickypichy vickypichy

20-06-2021

Answer:

a=35° b=90° c=55°

Step-by-step explanation:

7:18:11

total ratio=7+18+11

=36

The smallest angle(a)

7/36 x s=35

7s/36=35

7s=35x36

7s=1260

7s/7=1260/7

s=180°

second angle (b)

18/36x180

=90°

third angle (c)

11/36x180

=55°

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