Math, asked by dakarithornton, 1 month ago

please help me i have no idea how to do this

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Answers

Answered by pallavimundlia
0

Answer:

b 84 degrees

Step-by-step explanation:

sum of all angles of a triangle =180 degrees

BEF is triangle

Answered by yannu66916691
0

Step-by-step explanation:

In tri. ABE

angle A + ABE + AEB =180°

90°+30°+AEB=180°

AEB=60°

In quad. CDEF

angle C+D+DEF+CFE = 360°

90°+90°+DEF+144°=360°

DEF=36°

Angle AEB+BEF+DEF = 180°

60°+BEF+36°=180°

BEF=84°

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