Question

4.If the angles of a triangle are in the ratio 1:4:5, find the angles.​

Answer 1

Answer:

1x+4x+5x =180

10x=180

x=180/10

=18

1st angle=18 2nd angle = 18×2=4=102⁰

3rd angle=

Answer 2

Answer:

<A=18°, <B=72°, <C=90°

Step-by-step explanation:

Let the angles be x

<A=x, <B=4x, <C=5x

<A+<B+<C=180°

x+4x+5x=180°

10x=180°

x=180°/10

x=18°

<A=x=18°,

<B=4x=4(18°)=72°,

<C=5x=5(18°)=90°