find the value of a
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Answer:
a= 22.5⁰
Step-by-step explanation:
This is a right angle triangle
so 3a + a = 90⁰
so a = 22.5⁰
Step-by-step explanation:
the triangle is in semi circle.
name the triangle ABC
let angle A be 90 as it is a semi circle
then by using SOMAT(sum of an triangle is 180)
u will get the answer