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snow_tiger [21]
3 years ago
15

3. The parallelogram which measure 15 cm by 25 cm and a square have the same

Mathematics
2 answers:
seraphim [82]3 years ago
8 0

Answer:

20 cm

Step-by-step explanation:

perimeter is found by add ing all sides, so 15+15+25+25 = 80

All sides of the square are equal so you divide the sum (80) by 4 which equals 20.

vredina [299]3 years ago
7 0

Answer:

20 cm

explanation: I think

Sana makatulong

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Answer:

4.61 m

Step-by-step explanation:

The angle of depression of the bottom of the shorter building from the top of the taller building = 48° equals the angle of elevation of the top of the taller building from the bottom of the shorter building

Using trig ratios

tan48° = H/d where H = height of taller building and d = their distance apart = 12 m

H = dtan48° = 12tan48° = 13.33 m

Also, the angle of elevation of the top of the shorter building from the bottom of the taller building is 36°

Using trig ratios

tan36° = h/d where h = height of shorter building

h =dtan36° = 12tan36° = 8.72 m

Now, the difference in height of the buildings is thus H - h = 13.33 m - 8.72 m = 4.61 m

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Step-by-step explanation:

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