Question

DEF is a right-angled triangle in which angleD = 90° and angleDE = DF. find angleE and angleF​

Answer 1

Step-by-step explanation:

Given : ∆DEF is a right ∆ in which <B is a centre means <B = 90°

FIND

<E&<F

PROOF : In ∆DEF

<E+<F=90°( Because D is a centre)

2<E= 90° ( angle oppo. to equal side)

<E= 45°

HENCE <E=<F= 45°

DON'T forget to mark me as brain list