Answer:
ANS b) 70°
ans II) 5
Explanation:
ans B) measure of vertex angle= 40°
sum of all angles in a triangle= 180°
we know that,
in isosceles triangle base angles are equal.
let the base angles be x.
measure of base angles⇒ x + x + 40° = 180°
⇒2x + 40° = 180°
⇒2x =180° - 40°
⇒x= 140° / 2
⇒x = 70°
∵ base angles are 70°, 70°
mark me as brainlaist answer
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
ANS b) 70°
ans II) 5
Explanation:
ans B) measure of vertex angle= 40°
sum of all angles in a triangle= 180°
we know that,
in isosceles triangle base angles are equal.
let the base angles be x.
measure of base angles⇒ x + x + 40° = 180°
⇒2x + 40° = 180°
⇒2x =180° - 40°
⇒x= 140° / 2
⇒x = 70°
∵ base angles are 70°, 70°
Explanation:
mark me as brainlaist answer