Answer:
3x+2x+x=180 (5x42(+(6+-10)+(x+20)=180
x=30 12x=168
x=14
( the sum of angles in a triangle equals to 180°)
x=30 x=14
m<A=30° m<A=72°
m<B=90°. m<B=74°
m<C=60°. m<C=34°
m<B m<C m<A. m<B m<A m<C
thus: AC>AB>BC. thus:AC>BC>AB
( a larger angle corresponds to a larger side )
AB-BC <AC <AB+BC. (the sum of the sides of
lf AC= x, then. (a triangle is greater
. ( than the third.)
AB-BC <x <AB+BC. ( the difference of two
(sides is less than the
( third.)
1. 1<x45
2.0<x<10
3.7<x<9
4.3<x<9
5.0<x<20
6.7<x<21
7.1.1<x<9.9
8.6<x<16
Step-by-step explanation:
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Answers & Comments
Answer:
B.
1. solution:
3x+2x+x=180 (5x42(+(6+-10)+(x+20)=180
x=30 12x=168
x=14
( the sum of angles in a triangle equals to 180°)
2.
x=30 x=14
m<A=30° m<A=72°
m<B=90°. m<B=74°
m<C=60°. m<C=34°
3.
m<B m<C m<A. m<B m<A m<C
thus: AC>AB>BC. thus:AC>BC>AB
( a larger angle corresponds to a larger side )
C.
AB-BC <AC <AB+BC. (the sum of the sides of
lf AC= x, then. (a triangle is greater
. ( than the third.)
AB-BC <x <AB+BC. ( the difference of two
(sides is less than the
( third.)
1. 1<x45
2.0<x<10
3.7<x<9
4.3<x<9
5.0<x<20
6.7<x<21
7.1.1<x<9.9
8.6<x<16
Step-by-step explanation:
Yung A. po nasa pic na po yun.
pa brainlest na lang po kung nakatulong.
sana nakatulong po sa inyo.