prove that the two angles attached to the biggest side of a triangle are acute angle .
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Answered by
1
Step-by-step explanation:
Let the two equal acute angle be x then, sum of all angles of a triangle
∴ x+x+90
o
=180
o
⇒ 2x+90
o
=180
o
⇒ 2x=180
o
−90
o
⇒ 2x=90
o
⇒ x=
2
90
o
⇒ x=45
o
∴ Two acute ∠s are 45
o
,45
o
Answered by
1
Step-by-step explanation:
Let the two equal acute angle be x then, sum of all angles of a triangle
∴ x+x+90
o
=180
o
⇒ 2x+90
o
=180
o
⇒ 2x=180
o
−90
o
⇒ 2x=90
o
⇒ x=
2
90
o
⇒ x=45
o
∴ Two acute ∠s are 45
o
,45
o
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