2 years ago

Find m Angle DEH and m Angle FEH.

Mathematics

1 answer:

horrorfan [7]2 years ago

7 0

Answer:

$13x + 10x + 21 = 90 \\ 23x + 21 = 90 \\ 23x = 69 \\ x = 3$

The measure of angle DEH

$13(3) = 39 \: degrees$

commercial angle FEH

$10(3) + 21 = \\ 30 + 21 = 51 \: degrees$

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