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RUDIKE [14]
3 years ago
12

Find m Angle DEH and m Angle FEH.

Mathematics
1 answer:
horrorfan [7]3 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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