Question

Maths plz answer plz i have exam tomorrow

Answer 1

Step-by-step explanation:

50 degrees..

U know that .

angles in SEMICIRCLE is 90degrees

SO

angle SUM property

40 + 90 + x = 180degrees.

SO.

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Answer 2

Answer:

50°

Step-by-step explanation:

angle in a semi-circle is 90°.

so, ∠P=90°

given, ∠A=40°

by angle sum property,

∠A+∠B+∠P=180°

substituting the values,we get

∠B= 180-(90+40)

    =180-130

    =50°