Question

a.
Find the area of triangle PQR in which :
PQ = 12 cm, QR = 7 m, ZPQR = 90°
b. PQ = 8 cm,
PR = 10 cm, ZPQR = 90°
PQ = 8 cm, QR = 9 cm, ZPQR = 90°
d. QR = 3 m, PR = 5m,
ZPQR = 90°
C.
1​

Answer 1

Answer:

a. 42cm^2

b. 40cm^2

c. 36cm^2

d. 7.5cm^2

Step-by-step explanation:

area of triangle PQR =1/2*base*height

a. area=1/2 *7*12

=7*6

=42cm^2

b. area=1/2*8*10

=40cm^2

c. area=1/2*8*9

=36 cm^2

d area =1/2*3*5

=7.5cm^2