Question

solve question measure of angle apb​

Answer 1

Answer: 90 degree

let ∠CAP = α and ∠CBP = β.

∠CAP = ∠APC = α

∠CPB = ∠PBC = β

∠PAB + ∠PBA + ∠APB = 180°  

α + β + (α + β) = 180°  

2α + 2β = 180°  

α + β = 90°

∴ ∠APB = α + β = 90°

Answer 2

above given ans is correct