albannaameerah albannaameerah

15-06-2021
Mathematics

contestada

In the diagram below,

In the diagram below class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

15-06-2021

Answer:

<H = 40

Step-by-step explanation:

Complementary angles add to 90 degrees

2x+10 + x+20 = 90

Combine like terms

3x+30 = 90

Subtract 30

3x+30 -30 = 90-30

3x = 60

Divide by 3

3x/3 = 60/3

x = 20

<H = x+20 = 20+20 = 40

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