Respuesta :
Answer: 41
Step-by-step explanation: all triangles equal 180° so you add the 2 angles you know, 52+87=139. Then you take the 180 and subtract the 139 to get 41°
Step-by-step explanation: all triangles equal 180° so you add the 2 angles you know, 52+87=139. Then you take the 180 and subtract the 139 to get 41°