romyknight
22.02.2021 •
Mathematics
A rectangular glass window is divided into two equivalent right triangles by a diagonal brace. What is the length of the diagonal brace?
A. 9 inches
B. 12 inches
C. 15 inches
D. 21 inches
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Ответ:
15
Step-by-step explanation: 9 square plus 12 squared equal 225 and then find the square root of 225 which equals 15
Ответ:
3775.2mm squared
Step-by-step explanation
You find the area of each side and add all of them together. You divide by 2 for every triangle, and the slant height is never used.