Answer:
32
Step-by-step explanation:
side 1 - 13 (9+3)
base - 6 (3+3)
side 2 - 13 (9+3)
Triangle perimeter formula - a + b +c
13 + 6 + 13 = 32
Answer:
31
Step-by-step explanation:
They're technically asking you to find the missing angle. 61+57 is 118. 180-118 is 62. Since they're asking 2x, you do 62 divided by 2, which is 31.
Answer:
Step-by-step explanation:
Answer:
3rd option is correct
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Answer:
85% decrease
Step-by-step explanation:
The percentage change is the change fraction multiplied by 100%.
percent change = change / original × 100%
= (3 -20)/20 × 100%
= -17/20 × 100% = -85%
A decrease from £20 to £3 is a change of -85%.